22530032531 has 2 divisors, whose sum is σ = 22530032532. Its totient is φ = 22530032530.

The previous prime is 22530032507. The next prime is 22530032543. The reversal of 22530032531 is 13523003522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22530032531 is a prime.

It is a super-2 number, since 2×22530032531² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22530032531.

It is not a weakly prime, because it can be changed into another prime (22536032531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11265016265 + 11265016266.

It is an arithmetic number, because the mean of its divisors is an integer number (11265016266).

Almost surely, 2^22530032531 is an apocalyptic number.

22530032531 is a deficient number, since it is larger than the sum of its proper divisors (1).

22530032531 is an equidigital number, since it uses as much as digits as its factorization.

22530032531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 26.

The spelling of 22530032531 in words is "twenty-two billion, five hundred thirty million, thirty-two thousand, five hundred thirty-one".