Search a number
-
+
22221031038 = 2313032842291
BaseRepresentation
bin10100101100011110…
…100000011001111110
32010100121210100001120
4110230132200121332
5331002040443123
614112545451410
71414441435023
oct245436403176
963317710046
1022221031038
119473213568
124381940b66
132131890a9b
14110b27954a
158a0c3e2e3
hex52c7a067e

22221031038 has 16 divisors (see below), whose sum is σ = 44476185216. Its totient is φ = 7401323160.

The previous prime is 22221031037. The next prime is 22221031051. The reversal of 22221031038 is 83013012222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22221030999 and 22221031017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221031033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1413328 + ... + 1428963.

It is an arithmetic number, because the mean of its divisors is an integer number (2779761576).

Almost surely, 222221031038 is an apocalyptic number.

22221031038 is an abundant number, since it is smaller than the sum of its proper divisors (22255154178).

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

22221031038 is a wasteful number, since it uses less digits than its factorization.

22221031038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843599.

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 22221031038 in words is "twenty-two billion, two hundred twenty-one million, thirty-one thousand, thirty-eight".

Divisors: 1 2 3 6 1303 2606 3909 7818 2842291 5684582 8526873 17053746 3703505173 7407010346 11110515519 22221031038