22502281639 has 2 divisors, whose sum is σ = 22502281640. Its totient is φ = 22502281638.

The previous prime is 22502281631. The next prime is 22502281649. The reversal of 22502281639 is 93618220522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22502281639 - 2³ = 22502281631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22502281631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11251140819 + 11251140820.

It is an arithmetic number, because the mean of its divisors is an integer number (11251140820).

Almost surely, 2^22502281639 is an apocalyptic number.

22502281639 is a deficient number, since it is larger than the sum of its proper divisors (1).

22502281639 is an equidigital number, since it uses as much as digits as its factorization.

22502281639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 22502281639 in words is "twenty-two billion, five hundred two million, two hundred eighty-one thousand, six hundred thirty-nine".