22053631621 has 8 divisors (see below), whose sum is σ = 25679700864. Its totient is φ = 18546450000.

The previous prime is 22053631609. The next prime is 22053631703. The reversal of 22053631621 is 12613635022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22053631621 - 2¹¹ = 22053629573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22053637621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29721505 + ... + 29722246.

It is an arithmetic number, because the mean of its divisors is an integer number (3209962608).

Almost surely, 2^22053631621 is an apocalyptic number.

It is an amenable number.

22053631621 is a deficient number, since it is larger than the sum of its proper divisors (3626069243).

22053631621 is an equidigital number, since it uses as much as digits as its factorization.

22053631621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59443811.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 22053631621 in words is "twenty-two billion, fifty-three million, six hundred thirty-one thousand, six hundred twenty-one".