222408432072 has 40 divisors (see below), whose sum is σ = 622949545350. Its totient is φ = 74136143808.

The previous prime is 222408431989. The next prime is 222408432073. The reversal of 222408432072 is 270234804222.

222408432072 is a `hidden beast` number, since 2 + 2 + 2 + 408 + 43 + 207 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 216453840516 + 5954591556 = 465246^2 + 77166^2 .

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

It is not an unprimeable number, because it can be changed into a prime (222408432073) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 171610797 + ... + 171612092.

Almost surely, 2^222408432072 is an apocalyptic number.

It is an amenable number.

222408432072 is an abundant number, since it is smaller than the sum of its proper divisors (400541113278).

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

222408432072 is a wasteful number, since it uses less digits than its factorization.

222408432072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343222907 (or 343222894 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

The spelling of 222408432072 in words is "two hundred twenty-two billion, four hundred eight million, four hundred thirty-two thousand, seventy-two".