22150502431 has 2 divisors, whose sum is σ = 22150502432. Its totient is φ = 22150502430.

The previous prime is 22150502411. The next prime is 22150502443. The reversal of 22150502431 is 13420505122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22150502431 is a prime.

It is a super-2 number, since 2×22150502431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22150502396 and 22150502405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22150502411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11075251215 + 11075251216.

It is an arithmetic number, because the mean of its divisors is an integer number (11075251216).

Almost surely, 2^22150502431 is an apocalyptic number.

22150502431 is a deficient number, since it is larger than the sum of its proper divisors (1).

22150502431 is an equidigital number, since it uses as much as digits as its factorization.

22150502431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 22150502431 in words is "twenty-two billion, one hundred fifty million, five hundred two thousand, four hundred thirty-one".