222452240 has 40 divisors (see below), whose sum is σ = 519174360. Its totient is φ = 88641536.

The previous prime is 222452239. The next prime is 222452273. The reversal of 222452240 is 42254222.

It can be written as a sum of positive squares in 4 ways, for example, as 11505664 + 210946576 = 3392^2 + 14524^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 16352 + ... + 26688.

It is an arithmetic number, because the mean of its divisors is an integer number (12979359).

Almost surely, 2^222452240 is an apocalyptic number.

222452240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222452240 is an abundant number, since it is smaller than the sum of its proper divisors (296722120).

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

222452240 is a wasteful number, since it uses less digits than its factorization.

222452240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10619 (or 10613 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 222452240 is about 14914.8328854198. The cubic root of 222452240 is about 605.9157772338.

The spelling of 222452240 in words is "two hundred twenty-two million, four hundred fifty-two thousand, two hundred forty".