22890850647 has 64 divisors (see below), whose sum is σ = 38294323200. Its totient is φ = 11868042240.

The previous prime is 22890850601. The next prime is 22890850663. The reversal of 22890850647 is 74605809822.

It is not a de Polignac number, because 22890850647 - 2⁶ = 22890850583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22890850647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22890850687) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1190254 + ... + 1209332.

It is an arithmetic number, because the mean of its divisors is an integer number (598348800).

Almost surely, 2^22890850647 is an apocalyptic number.

22890850647 is a deficient number, since it is larger than the sum of its proper divisors (15403472553).

22890850647 is a wasteful number, since it uses less digits than its factorization.

22890850647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19236.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 22890850647 in words is "twenty-two billion, eight hundred ninety million, eight hundred fifty thousand, six hundred forty-seven".