22003255421253 has 12 divisors (see below), whose sum is σ = 31783877933548. Its totient is φ = 14668191771840.

The previous prime is 22003255421227. The next prime is 22003255421309. The reversal of 22003255421253 is 35212455230022.

It is a happy number.

22003255421253 is a `hidden beast` number, since 2 + 2 + 0 + 0 + 32 + 554 + 21 + 2 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1407433440609 + 20595821980644 = 1186353^2 + 4538262^2 .

It is not a de Polignac number, because 22003255421253 - 2¹⁶ = 22003255355717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22003255421053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53548600 + ... + 53957937.

Almost surely, 2^{22003255421253} is an apocalyptic number.

It is an amenable number.

22003255421253 is a deficient number, since it is larger than the sum of its proper divisors (9780622512295).

22003255421253 is a wasteful number, since it uses less digits than its factorization.

22003255421253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107529284 (or 107529281 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 22003255421253 in words is "twenty-two trillion, three billion, two hundred fifty-five million, four hundred twenty-one thousand, two hundred fifty-three".