22423300531 has 2 divisors, whose sum is σ = 22423300532. Its totient is φ = 22423300530.

The previous prime is 22423300517. The next prime is 22423300583. The reversal of 22423300531 is 13500332422.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22423300531 is a prime.

It is a super-2 number, since 2×22423300531² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22423300496 and 22423300505.

It is not a weakly prime, because it can be changed into another prime (22423300591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11211650265 + 11211650266.

It is an arithmetic number, because the mean of its divisors is an integer number (11211650266).

Almost surely, 2^22423300531 is an apocalyptic number.

22423300531 is a deficient number, since it is larger than the sum of its proper divisors (1).

22423300531 is an equidigital number, since it uses as much as digits as its factorization.

22423300531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 22423300531 its reverse (13500332422), we get a palindrome (35923632953).

The spelling of 22423300531 in words is "twenty-two billion, four hundred twenty-three million, three hundred thousand, five hundred thirty-one".