Search a number
-
+
222050131 = 1911686849
BaseRepresentation
bin11010011110000…
…11011101010011
3120110211022111221
431033003131103
5423321101011
634011145511
75334252322
oct1517033523
9513738457
10222050131
11104383606
1262445297
1337007914
14216c20b9
1514762971
hexd3c3753

222050131 has 4 divisors (see below), whose sum is σ = 233737000. Its totient is φ = 210363264.

The previous prime is 222050051. The next prime is 222050161. The reversal of 222050131 is 131050222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131050222 = 265525111.

It is a cyclic number.

It is not a de Polignac number, because 222050131 - 215 = 222017363 is a prime.

It is a super-2 number, since 2×2220501312 = 98612521354234322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222050161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5843406 + ... + 5843443.

It is an arithmetic number, because the mean of its divisors is an integer number (58434250).

Almost surely, 2222050131 is an apocalyptic number.

222050131 is a deficient number, since it is larger than the sum of its proper divisors (11686869).

222050131 is a wasteful number, since it uses less digits than its factorization.

222050131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11686868.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 222050131 is about 14901.3466170008. The cubic root of 222050131 is about 605.5504686471.

Subtracting from 222050131 its reverse (131050222), we obtain a palindrome (90999909).

The spelling of 222050131 in words is "two hundred twenty-two million, fifty thousand, one hundred thirty-one".

Divisors: 1 19 11686849 222050131