22013532553 has 4 divisors (see below), whose sum is σ = 22970642688. Its totient is φ = 21056422420.

The previous prime is 22013532517. The next prime is 22013532571. The reversal of 22013532553 is 35523531022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22013532553 - 2¹⁷ = 22013401481 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22013532953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478555033 + ... + 478555078.

It is an arithmetic number, because the mean of its divisors is an integer number (5742660672).

Almost surely, 2^22013532553 is an apocalyptic number.

22013532553 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22013532553 is a deficient number, since it is larger than the sum of its proper divisors (957110135).

22013532553 is an equidigital number, since it uses as much as digits as its factorization.

22013532553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957110134.

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 22013532553 in words is "twenty-two billion, thirteen million, five hundred thirty-two thousand, five hundred fifty-three".