22490337720 has 64 divisors (see below), whose sum is σ = 68421335040. Its totient is φ = 5912950400.

The previous prime is 22490337707. The next prime is 22490337739. The reversal of 22490337720 is 2773309422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1311336 + ... + 1328375.

It is an arithmetic number, because the mean of its divisors is an integer number (1069083360).

Almost surely, 2^22490337720 is an apocalyptic number.

22490337720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22490337720 is an abundant number, since it is smaller than the sum of its proper divisors (45930997320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22490337720 is a wasteful number, since it uses less digits than its factorization.

22490337720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639796 (or 2639792 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 39.

The spelling of 22490337720 in words is "twenty-two billion, four hundred ninety million, three hundred thirty-seven thousand, seven hundred twenty".