224564690 has 32 divisors (see below), whose sum is σ = 477895680. Its totient is φ = 74337984.

The previous prime is 224564687. The next prime is 224564699. The reversal of 224564690 is 96465422.

224564690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×224564690² = 100858599989592200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (224564699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53282 + ... + 57341.

It is an arithmetic number, because the mean of its divisors is an integer number (14934240).

Almost surely, 2^224564690 is an apocalyptic number.

224564690 is an abundant number, since it is smaller than the sum of its proper divisors (253330990).

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

224564690 is a wasteful number, since it uses less digits than its factorization.

224564690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110666.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 224564690 is about 14985.4826415434. The cubic root of 224564690 is about 607.8277028665.

The spelling of 224564690 in words is "two hundred twenty-four million, five hundred sixty-four thousand, six hundred ninety".