22421520131 has 8 divisors (see below), whose sum is σ = 22661266320. Its totient is φ = 22183046368.

The previous prime is 22421520113. The next prime is 22421520137. The reversal of 22421520131 is 13102512422.

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 22421520131 - 2⁶ = 22421520067 is a prime.

It is a super-2 number, since 2×22421520131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22421520097 and 22421520106.

It is not an unprimeable number, because it can be changed into a prime (22421520137) 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, 282656 + ... + 353181.

It is an arithmetic number, because the mean of its divisors is an integer number (2832658290).

Almost surely, 2^22421520131 is an apocalyptic number.

22421520131 is a deficient number, since it is larger than the sum of its proper divisors (239746189).

22421520131 is a wasteful number, since it uses less digits than its factorization.

22421520131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636213.

The product of its (nonzero) digits is 960, while the sum is 23.

The spelling of 22421520131 in words is "twenty-two billion, four hundred twenty-one million, five hundred twenty thousand, one hundred thirty-one".