652224290 has 8 divisors (see below), whose sum is σ = 1174003740. Its totient is φ = 260889712.

The previous prime is 652224277. The next prime is 652224299. The reversal of 652224290 is 92422256.

It can be written as a sum of positive squares in 2 ways, for example, as 632572801 + 19651489 = 25151^2 + 4433^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (652224299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32611205 + ... + 32611224.

Almost surely, 2^652224290 is an apocalyptic number.

652224290 is a deficient number, since it is larger than the sum of its proper divisors (521779450).

652224290 is a wasteful number, since it uses less digits than its factorization.

652224290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65222436.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 652224290 is about 25538.6822291206. The cubic root of 652224290 is about 867.2260660380.

The spelling of 652224290 in words is "six hundred fifty-two million, two hundred twenty-four thousand, two hundred ninety".