252220130 has 8 divisors (see below), whose sum is σ = 453996252. Its totient is φ = 100888048.

The previous prime is 252220127. The next prime is 252220147. The reversal of 252220130 is 31022252.

It can be written as a sum of positive squares in 2 ways, for example, as 240033049 + 12187081 = 15493^2 + 3491^2 .

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

It is a super-2 number, since 2×252220130² = 127229987954433800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252220099 and 252220108.

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, 12610997 + ... + 12611016.

Almost surely, 2^252220130 is an apocalyptic number.

252220130 is a deficient number, since it is larger than the sum of its proper divisors (201776122).

252220130 is a wasteful number, since it uses less digits than its factorization.

252220130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25222020.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 252220130 is about 15881.4397961898. The cubic root of 252220130 is about 631.8198242598.

Adding to 252220130 its reverse (31022252), we get a palindrome (283242382).

The spelling of 252220130 in words is "two hundred fifty-two million, two hundred twenty thousand, one hundred thirty".