22652461787 has 2 divisors, whose sum is σ = 22652461788. Its totient is φ = 22652461786.

The previous prime is 22652461781. The next prime is 22652461823. The reversal of 22652461787 is 78716425622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22652461787 - 2⁴ = 22652461771 is a prime.

It is a super-2 number, since 2×22652461787² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22652461781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11326230893 + 11326230894.

It is an arithmetic number, because the mean of its divisors is an integer number (11326230894).

Almost surely, 2^22652461787 is an apocalyptic number.

22652461787 is a deficient number, since it is larger than the sum of its proper divisors (1).

22652461787 is an equidigital number, since it uses as much as digits as its factorization.

22652461787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2257920, while the sum is 50.

The spelling of 22652461787 in words is "twenty-two billion, six hundred fifty-two million, four hundred sixty-one thousand, seven hundred eighty-seven".