22445604216 has 48 divisors (see below), whose sum is σ = 69474490800. Its totient is φ = 6413029632.

The previous prime is 22445604197. The next prime is 22445604217. The reversal of 22445604216 is 61240654422.

22445604216 is a `hidden beast` number, since 2 + 2 + 4 + 45 + 604 + 2 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22445604217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22266961 + ... + 22267968.

It is an arithmetic number, because the mean of its divisors is an integer number (1447385225).

Almost surely, 2^22445604216 is an apocalyptic number.

It is an amenable number.

22445604216 is an abundant number, since it is smaller than the sum of its proper divisors (47028886584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22445604216 is a wasteful number, since it uses less digits than its factorization.

22445604216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44534948 (or 44534941 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 22445604216 in words is "twenty-two billion, four hundred forty-five million, six hundred four thousand, two hundred sixteen".