22315663431021 has 8 divisors (see below), whose sum is σ = 29790906219424. Its totient is φ = 14858764798320.

The previous prime is 22315663430999. The next prime is 22315663431079. The reversal of 22315663431021 is 12013436651322.

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

It is not a de Polignac number, because 22315663431021 - 2²¹ = 22315661333869 is a prime.

It is a super-3 number, since 3×22315663431021³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22315663431091) 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, 4586036086 + ... + 4586040951.

It is an arithmetic number, because the mean of its divisors is an integer number (3723863277428).

Almost surely, 2^{22315663431021} is an apocalyptic number.

It is an amenable number.

22315663431021 is a deficient number, since it is larger than the sum of its proper divisors (7475242788403).

22315663431021 is an equidigital number, since it uses as much as digits as its factorization.

22315663431021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9172077851.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 22315663431021 in words is "twenty-two trillion, three hundred fifteen billion, six hundred sixty-three million, four hundred thirty-one thousand, twenty-one".