22490290689 has 16 divisors (see below), whose sum is σ = 30043576128. Its totient is φ = 14965296192.

The previous prime is 22490290649. The next prime is 22490290759. The reversal of 22490290689 is 98609209422.

It is not a de Polignac number, because 22490290689 - 2¹² = 22490286593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22490290639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4534599 + ... + 4539555.

It is an arithmetic number, because the mean of its divisors is an integer number (1877723508).

Almost surely, 2^22490290689 is an apocalyptic number.

It is an amenable number.

22490290689 is a deficient number, since it is larger than the sum of its proper divisors (7553285439).

22490290689 is a wasteful number, since it uses less digits than its factorization.

22490290689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7504.

The product of its (nonzero) digits is 1119744, while the sum is 51.

The spelling of 22490290689 in words is "twenty-two billion, four hundred ninety million, two hundred ninety thousand, six hundred eighty-nine".