222582240 has 72 divisors (see below), whose sum is σ = 759566808. Its totient is φ = 59354880.

The previous prime is 222582209. The next prime is 222582253. The reversal of 222582240 is 42285222.

It is a tau number, because it is divible by the number of its divisors (72).

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, 75846 + ... + 78725.

It is an arithmetic number, because the mean of its divisors is an integer number (10549539).

Almost surely, 2^222582240 is an apocalyptic number.

222582240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222582240 is an abundant number, since it is smaller than the sum of its proper divisors (536984568).

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

222582240 is a wasteful number, since it uses less digits than its factorization.

222582240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154592 (or 154581 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 222582240 is about 14919.1903265559. The cubic root of 222582240 is about 606.0337856535.

The spelling of 222582240 in words is "two hundred twenty-two million, five hundred eighty-two thousand, two hundred forty".