22280990512 has 40 divisors (see below), whose sum is σ = 47623090320. Its totient is φ = 10013921280.

The previous prime is 22280990503. The next prime is 22280990519. The reversal of 22280990512 is 21509908222.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22280990519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695553 + ... + 726880.

It is an arithmetic number, because the mean of its divisors is an integer number (1190577258).

Almost surely, 2^22280990512 is an apocalyptic number.

22280990512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22280990512 is an abundant number, since it is smaller than the sum of its proper divisors (25342099808).

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

22280990512 is a wasteful number, since it uses less digits than its factorization.

22280990512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422541 (or 1422535 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 22280990512 in words is "twenty-two billion, two hundred eighty million, nine hundred ninety thousand, five hundred twelve".