22002000990 has 16 divisors (see below), whose sum is σ = 52804802448. Its totient is φ = 5867200256.

The previous prime is 22002000983. The next prime is 22002000991. The reversal of 22002000990 is 9900020022.

It is a self number, because there is not a number n which added to its sum of digits gives 22002000990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002000991) 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, 366699987 + ... + 366700046.

It is an arithmetic number, because the mean of its divisors is an integer number (3300300153).

Almost surely, 2^22002000990 is an apocalyptic number.

22002000990 is an abundant number, since it is smaller than the sum of its proper divisors (30802801458).

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

22002000990 is a wasteful number, since it uses less digits than its factorization.

22002000990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733400043.

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 22002000990 in words is "twenty-two billion, two million, nine hundred ninety", and thus it is an aban number.