22033503021 has 32 divisors (see below), whose sum is σ = 31991718528. Its totient is φ = 13434624000.

The previous prime is 22033503013. The next prime is 22033503029. The reversal of 22033503021 is 12030533022.

It is an interprime number because it is at equal distance from previous prime (22033503013) and next prime (22033503029).

It is not a de Polignac number, because 22033503021 - 2³ = 22033503013 is a prime.

It is a super-2 number, since 2×22033503021² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22033503029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406521 + ... + 457521.

It is an arithmetic number, because the mean of its divisors is an integer number (999741204).

Almost surely, 2^22033503021 is an apocalyptic number.

It is an amenable number.

22033503021 is a deficient number, since it is larger than the sum of its proper divisors (9958215507).

22033503021 is a wasteful number, since it uses less digits than its factorization.

22033503021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51261.

The product of its (nonzero) digits is 1080, while the sum is 21.

The spelling of 22033503021 in words is "twenty-two billion, thirty-three million, five hundred three thousand, twenty-one".