22700131 has 2 divisors, whose sum is σ = 22700132. Its totient is φ = 22700130.

The previous prime is 22700123. The next prime is 22700141. The reversal of 22700131 is 13100722.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22700131 - 2³ = 22700123 is a prime.

It is a super-2 number, since 2×22700131² = 1030591894834322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22700141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11350065 + 11350066.

It is an arithmetic number, because the mean of its divisors is an integer number (11350066).

Almost surely, 2^22700131 is an apocalyptic number.

22700131 is a deficient number, since it is larger than the sum of its proper divisors (1).

22700131 is an equidigital number, since it uses as much as digits as its factorization.

22700131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 22700131 is about 4764.4654474558. The cubic root of 22700131 is about 283.1453635210.

Adding to 22700131 its reverse (13100722), we get a palindrome (35800853).

The spelling of 22700131 in words is "twenty-two million, seven hundred thousand, one hundred thirty-one".