22001000124 has 24 divisors (see below), whose sum is σ = 51454787328. Its totient is φ = 7316649520.

The previous prime is 22001000123. The next prime is 22001000171. The reversal of 22001000124 is 42100010022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001000123) 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, 2121762 + ... + 2132105.

It is an arithmetic number, because the mean of its divisors is an integer number (2143949472).

Almost surely, 2^22001000124 is an apocalyptic number.

It is an amenable number.

22001000124 is an abundant number, since it is smaller than the sum of its proper divisors (29453787204).

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

22001000124 is a wasteful number, since it uses less digits than its factorization.

22001000124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254305 (or 4254303 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22001000124 its reverse (42100010022), we get a palindrome (64101010146).

The spelling of 22001000124 in words is "twenty-two billion, one million, one hundred twenty-four", and thus it is an aban number.