224072690 has 8 divisors (see below), whose sum is σ = 403330860. Its totient is φ = 89629072.

The previous prime is 224072687. The next prime is 224072707. The reversal of 224072690 is 96270422.

It can be written as a sum of positive squares in 2 ways, for example, as 217297081 + 6775609 = 14741^2 + 2603^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×224072690² = 100417140807672200, which contains 22 as substring.

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, 11203625 + ... + 11203644.

Almost surely, 2^224072690 is an apocalyptic number.

224072690 is a deficient number, since it is larger than the sum of its proper divisors (179258170).

224072690 is a wasteful number, since it uses less digits than its factorization.

224072690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22407276.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 224072690 is about 14969.0577525775. The cubic root of 224072690 is about 607.3834806193.

The spelling of 224072690 in words is "two hundred twenty-four million, seventy-two thousand, six hundred ninety".