222451274322 has 64 divisors (see below), whose sum is σ = 502564917120. Its totient is φ = 72916718400.

The previous prime is 222451274303. The next prime is 222451274359. The reversal of 222451274322 is 223472154222.

222451274322 is a `hidden beast` number, since 2 + 22 + 45 + 1 + 274 + 322 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22035108 + ... + 22045200.

It is an arithmetic number, because the mean of its divisors is an integer number (7852576830).

Almost surely, 2^222451274322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222451274322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251282458560).

222451274322 is an abundant number, since it is smaller than the sum of its proper divisors (280113642798).

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

222451274322 is a wasteful number, since it uses less digits than its factorization.

222451274322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16856 (or 16850 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The spelling of 222451274322 in words is "two hundred twenty-two billion, four hundred fifty-one million, two hundred seventy-four thousand, three hundred twenty-two".