22850778840 has 64 divisors (see below), whose sum is σ = 68562374400. Its totient is φ = 6092648832.

The previous prime is 22850778833. The next prime is 22850778859. The reversal of 22850778840 is 4887705822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1427119 + ... + 1443041.

It is an arithmetic number, because the mean of its divisors is an integer number (1071287100).

Almost surely, 2^22850778840 is an apocalyptic number.

22850778840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22850778840 is an abundant number, since it is smaller than the sum of its proper divisors (45711595560).

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

22850778840 is a wasteful number, since it uses less digits than its factorization.

22850778840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27896 (or 27892 counting only the distinct ones).

The product of its (nonzero) digits is 2007040, while the sum is 51.

The spelling of 22850778840 in words is "twenty-two billion, eight hundred fifty million, seven hundred seventy-eight thousand, eight hundred forty".