240222290 has 64 divisors (see below), whose sum is σ = 541900800. Its totient is φ = 74485440.

The previous prime is 240222289. The next prime is 240222313. The reversal of 240222290 is 92222042.

It is a super-2 number, since 2×240222290² = 115413497225688200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171011 + ... + 172409.

It is an arithmetic number, because the mean of its divisors is an integer number (8467200).

Almost surely, 2^240222290 is an apocalyptic number.

240222290 is an abundant number, since it is smaller than the sum of its proper divisors (301678510).

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

240222290 is a wasteful number, since it uses less digits than its factorization.

240222290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 240222290 is about 15499.1061032564. The cubic root of 240222290 is about 621.6383049622.

The spelling of 240222290 in words is "two hundred forty million, two hundred twenty-two thousand, two hundred ninety".