22551325601 has 4 divisors (see below), whose sum is σ = 25772943552. Its totient is φ = 19329707652.

The previous prime is 22551325597. The next prime is 22551325603. The reversal of 22551325601 is 10652315522.

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 a cyclic number.

It is not a de Polignac number, because 22551325601 - 2² = 22551325597 is a prime.

It is a super-2 number, since 2×22551325601² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22551325603) 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, 1610808965 + ... + 1610808978.

It is an arithmetic number, because the mean of its divisors is an integer number (6443235888).

Almost surely, 2^22551325601 is an apocalyptic number.

It is an amenable number.

22551325601 is a deficient number, since it is larger than the sum of its proper divisors (3221617951).

22551325601 is an equidigital number, since it uses as much as digits as its factorization.

22551325601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221617950.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 22551325601 in words is "twenty-two billion, five hundred fifty-one million, three hundred twenty-five thousand, six hundred one".