222391792 has 60 divisors (see below), whose sum is σ = 503170920. Its totient is φ = 94942848.

The previous prime is 222391783. The next prime is 222391801. The reversal of 222391792 is 297193222.

222391792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222391783) and next prime (222391801).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328158 + ... + 328834.

It is an arithmetic number, because the mean of its divisors is an integer number (8386182).

Almost surely, 2^222391792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222391792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251585460).

222391792 is an abundant number, since it is smaller than the sum of its proper divisors (280779128).

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

222391792 is a wasteful number, since it uses less digits than its factorization.

222391792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118 (or 1105 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 222391792 is about 14912.8063086731. The cubic root of 222391792 is about 605.8608894746.

The spelling of 222391792 in words is "two hundred twenty-two million, three hundred ninety-one thousand, seven hundred ninety-two".