222351140 has 24 divisors (see below), whose sum is σ = 509386752. Its totient is φ = 80854880.

The previous prime is 222351139. The next prime is 222351163. The reversal of 222351140 is 41153222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505124 + ... + 505563.

It is an arithmetic number, because the mean of its divisors is an integer number (21224448).

Almost surely, 2^222351140 is an apocalyptic number.

222351140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222351140 is an abundant number, since it is smaller than the sum of its proper divisors (287035612).

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

222351140 is a wasteful number, since it uses less digits than its factorization.

222351140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010707 (or 1010705 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 222351140 is about 14911.4432567743. The cubic root of 222351140 is about 605.8239712089.

The spelling of 222351140 in words is "two hundred twenty-two million, three hundred fifty-one thousand, one hundred forty".