22400172889 has 8 divisors (see below), whose sum is σ = 22816591232. Its totient is φ = 21985341840.

The previous prime is 22400172887. The next prime is 22400172901. The reversal of 22400172889 is 98827100422.

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

It is not a de Polignac number, because 22400172889 - 2¹ = 22400172887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22400172887) 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, 368319 + ... + 424804.

It is an arithmetic number, because the mean of its divisors is an integer number (2852073904).

Almost surely, 2^22400172889 is an apocalyptic number.

It is an amenable number.

22400172889 is a deficient number, since it is larger than the sum of its proper divisors (416418343).

22400172889 is an equidigital number, since it uses as much as digits as its factorization.

22400172889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793647.

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 22400172889 in words is "twenty-two billion, four hundred million, one hundred seventy-two thousand, eight hundred eighty-nine".