Search a number
-
+
1022002122222 = 23256777895679
BaseRepresentation
bin11101101111101000001…
…00101100110111101110
310121200222002022001002200
432313310010230313232
5113221030020402342
62101300140202330
7133560110463654
oct16676404546756
93550862261080
101022002122222
11364479610a84
121460a25393a6
13754b36b1783
14376725badd4
151b8b816394c
hexedf412cdee

1022002122222 has 12 divisors (see below), whose sum is σ = 2214337931520. Its totient is φ = 340667374068.

The previous prime is 1022002122179. The next prime is 1022002122227. The reversal of 1022002122222 is 2222212002201.

1022002122222 is a `hidden beast` number, since 10 + 220 + 0 + 212 + 2 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 56777895679 = 1022002122222 / (1 + 0 + 2 + 2 + 0 + 0 + 2 + 1 + 2 + 2 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1022002122195 and 1022002122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022002122227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28388947822 + ... + 28388947857.

It is an arithmetic number, because the mean of its divisors is an integer number (184528160960).

Almost surely, 21022002122222 is an apocalyptic number.

1022002122222 is an abundant number, since it is smaller than the sum of its proper divisors (1192335809298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022002122222 is a wasteful number, since it uses less digits than its factorization.

1022002122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56777895687 (or 56777895684 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 1022002122222 its reverse (2222212002201), we get a palindrome (3244214124423).

The spelling of 1022002122222 in words is "one trillion, twenty-two billion, two million, one hundred twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 56777895679 113555791358 170333687037 340667374074 511001061111 1022002122222