22216506072 has 16 divisors (see below), whose sum is σ = 55541265240. Its totient is φ = 7405502016.

The previous prime is 22216506023. The next prime is 22216506073. The reversal of 22216506072 is 27060561222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22216506073) 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, 462843853 + ... + 462843900.

Almost surely, 2^22216506072 is an apocalyptic number.

It is an amenable number.

22216506072 is an abundant number, since it is smaller than the sum of its proper divisors (33324759168).

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

22216506072 is a wasteful number, since it uses less digits than its factorization.

22216506072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925687762 (or 925687758 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 22216506072 in words is "twenty-two billion, two hundred sixteen million, five hundred six thousand, seventy-two".