222871392 has 48 divisors (see below), whose sum is σ = 650044080. Its totient is φ = 74290176.

The previous prime is 222871381. The next prime is 222871399. The reversal of 222871392 is 293178222.

222871392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222871399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128113 + ... + 129840.

It is an arithmetic number, because the mean of its divisors is an integer number (13542585).

Almost surely, 2^222871392 is an apocalyptic number.

It is an amenable number.

222871392 is an abundant number, since it is smaller than the sum of its proper divisors (427172688).

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

222871392 is a wasteful number, since it uses less digits than its factorization.

222871392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257972 (or 257958 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 222871392 is about 14928.8777876972. The cubic root of 222871392 is about 606.2961007633.

The spelling of 222871392 in words is "two hundred twenty-two million, eight hundred seventy-one thousand, three hundred ninety-two".