22130623501 has 4 divisors (see below), whose sum is σ = 25292141152. Its totient is φ = 18969105852.

The previous prime is 22130623481. The next prime is 22130623513. The reversal of 22130623501 is 10532603122.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10532603122 = 2 ⋅5266301561.

It is a cyclic number.

It is not a de Polignac number, because 22130623501 - 2²⁵ = 22097069069 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 (22130623531) 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, 1580758815 + ... + 1580758828.

It is an arithmetic number, because the mean of its divisors is an integer number (6323035288).

Almost surely, 2^22130623501 is an apocalyptic number.

It is an amenable number.

22130623501 is a deficient number, since it is larger than the sum of its proper divisors (3161517651).

22130623501 is an equidigital number, since it uses as much as digits as its factorization.

22130623501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161517650.

The product of its (nonzero) digits is 2160, while the sum is 25.

The spelling of 22130623501 in words is "twenty-two billion, one hundred thirty million, six hundred twenty-three thousand, five hundred one".