253222131 has 8 divisors (see below), whose sum is σ = 337741200. Its totient is φ = 168758912.

The previous prime is 253222093. The next prime is 253222133. The reversal of 253222131 is 131222352.

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

It is a cyclic number.

It is not a de Polignac number, because 253222131 - 2²² = 249027827 is a prime.

It is a super-2 number, since 2×253222131² = 128242895256362322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253222098 and 253222107.

It is not an unprimeable number, because it can be changed into a prime (253222133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1890 + ... + 22583.

It is an arithmetic number, because the mean of its divisors is an integer number (42217650).

Almost surely, 2^253222131 is an apocalyptic number.

253222131 is a deficient number, since it is larger than the sum of its proper divisors (84519069).

253222131 is a wasteful number, since it uses less digits than its factorization.

253222131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27925.

The product of its digits is 720, while the sum is 21.

The square root of 253222131 is about 15912.9548167523. The cubic root of 253222131 is about 632.6554006866.

Adding to 253222131 its reverse (131222352), we get a palindrome (384444483).

The spelling of 253222131 in words is "two hundred fifty-three million, two hundred twenty-two thousand, one hundred thirty-one".