22501707573 has 4 divisors (see below), whose sum is σ = 30002276768. Its totient is φ = 15001138380.

The previous prime is 22501707563. The next prime is 22501707601. The reversal of 22501707573 is 37570710522.

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 not a de Polignac number, because 22501707573 - 2⁹ = 22501707061 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 (22501707533) 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, 3750284593 + ... + 3750284598.

It is an arithmetic number, because the mean of its divisors is an integer number (7500569192).

Almost surely, 2^22501707573 is an apocalyptic number.

It is an amenable number.

22501707573 is a deficient number, since it is larger than the sum of its proper divisors (7500569195).

22501707573 is an equidigital number, since it uses as much as digits as its factorization.

22501707573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7500569194.

The product of its (nonzero) digits is 102900, while the sum is 39.

The spelling of 22501707573 in words is "twenty-two billion, five hundred one million, seven hundred seven thousand, five hundred seventy-three".