22697327990 has 16 divisors (see below), whose sum is σ = 43005463920. Its totient is φ = 8601092640.

The previous prime is 22697327987. The next prime is 22697328037. The reversal of 22697327990 is 9972379622.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59729621 + ... + 59730000.

It is an arithmetic number, because the mean of its divisors is an integer number (2687841495).

Almost surely, 2^22697327990 is an apocalyptic number.

22697327990 is a deficient number, since it is larger than the sum of its proper divisors (20308135930).

22697327990 is a wasteful number, since it uses less digits than its factorization.

22697327990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119459647.

The product of its (nonzero) digits is 5143824, while the sum is 56.

It can be divided in two parts, 2269732 and 7990, that added together give a palindrome (2277722).

The spelling of 22697327990 in words is "twenty-two billion, six hundred ninety-seven million, three hundred twenty-seven thousand, nine hundred ninety".