290222272 has 28 divisors (see below), whose sum is σ = 589961736. Its totient is φ = 141570560.

The previous prime is 290222267. The next prime is 290222327. The reversal of 290222272 is 272222092.

It is a super-3 number, since 3×290222272³ (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 290222272.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52678 + ... + 57925.

It is an arithmetic number, because the mean of its divisors is an integer number (21070062).

Almost surely, 2^290222272 is an apocalyptic number.

It is an amenable number.

290222272 is an abundant number, since it is smaller than the sum of its proper divisors (299739464).

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

290222272 is a wasteful number, since it uses less digits than its factorization.

290222272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110656 (or 110646 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 290222272 is about 17035.9112465404. The cubic root of 290222272 is about 662.0796598827.

The spelling of 290222272 in words is "two hundred ninety million, two hundred twenty-two thousand, two hundred seventy-two".