252220322 has 8 divisors (see below), whose sum is σ = 385468956. Its totient is φ = 123730672.

The previous prime is 252220321. The next prime is 252220357. The reversal of 252220322 is 223022252.

252220322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 252206161 + 14161 = 15881^2 + 119^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 252220294 and 252220303.

It is not an unprimeable number, because it can be changed into a prime (252220321) 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, 1189613 + ... + 1189824.

Almost surely, 2^252220322 is an apocalyptic number.

252220322 is a deficient number, since it is larger than the sum of its proper divisors (133248634).

252220322 is a wasteful number, since it uses less digits than its factorization.

252220322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379492.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 252220322 is about 15881.4458409806. The cubic root of 252220322 is about 631.8199845819.

Adding to 252220322 its reverse (223022252), we get a palindrome (475242574).

The spelling of 252220322 in words is "two hundred fifty-two million, two hundred twenty thousand, three hundred twenty-two".