222466740 has 48 divisors (see below), whose sum is σ = 624418368. Its totient is φ = 59180544.

The previous prime is 222466679. The next prime is 222466753. The reversal of 222466740 is 47664222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21699 + ... + 30261.

It is an arithmetic number, because the mean of its divisors is an integer number (13008716).

Almost surely, 2^222466740 is an apocalyptic number.

222466740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222466740 is an abundant number, since it is smaller than the sum of its proper divisors (401951628).

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

222466740 is a wasteful number, since it uses less digits than its factorization.

222466740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9008 (or 9006 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 222466740 is about 14915.3189707763. The cubic root of 222466740 is about 605.9289419890.

The spelling of 222466740 in words is "two hundred twenty-two million, four hundred sixty-six thousand, seven hundred forty".