22440556473 has 8 divisors (see below), whose sum is σ = 29931367200. Its totient is φ = 14955058368.

The previous prime is 22440556451. The next prime is 22440556547. The reversal of 22440556473 is 37465504422.

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

It is not a de Polignac number, because 22440556473 - 2²⁵ = 22407002041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22440556273) 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, 1318288 + ... + 1335201.

It is an arithmetic number, because the mean of its divisors is an integer number (3741420900).

Almost surely, 2^22440556473 is an apocalyptic number.

It is an amenable number.

22440556473 is a deficient number, since it is larger than the sum of its proper divisors (7490810727).

22440556473 is a wasteful number, since it uses less digits than its factorization.

22440556473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656311.

The product of its (nonzero) digits is 806400, while the sum is 42.

The spelling of 22440556473 in words is "twenty-two billion, four hundred forty million, five hundred fifty-six thousand, four hundred seventy-three".