445022131 has 2 divisors, whose sum is σ = 445022132. Its totient is φ = 445022130.

The previous prime is 445022119. The next prime is 445022153. The reversal of 445022131 is 131220544.

It is an a-pointer prime, because the next prime (445022153) can be obtained adding 445022131 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445022131 - 2⁵ = 445022099 is a prime.

It is a super-2 number, since 2×445022131² = 396089394159562322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (445022231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222511065 + 222511066.

It is an arithmetic number, because the mean of its divisors is an integer number (222511066).

Almost surely, 2^445022131 is an apocalyptic number.

445022131 is a deficient number, since it is larger than the sum of its proper divisors (1).

445022131 is an equidigital number, since it uses as much as digits as its factorization.

445022131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 445022131 is about 21095.5476582145. The cubic root of 445022131 is about 763.4733282302.

Adding to 445022131 its reverse (131220544), we get a palindrome (576242675).

The spelling of 445022131 in words is "four hundred forty-five million, twenty-two thousand, one hundred thirty-one".