72212025566 has 8 divisors (see below), whose sum is σ = 108508405680. Its totient is φ = 36042557008.

The previous prime is 72212025559. The next prime is 72212025607. The reversal of 72212025566 is 66552021227.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31726466 + ... + 31728741.

It is an arithmetic number, because the mean of its divisors is an integer number (13563550710).

Almost surely, 2^72212025566 is an apocalyptic number.

72212025566 is a deficient number, since it is larger than the sum of its proper divisors (36296380114).

72212025566 is a wasteful number, since it uses less digits than its factorization.

72212025566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63455778.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 72212025566 in words is "seventy-two billion, two hundred twelve million, twenty-five thousand, five hundred sixty-six".