322120253 has 24 divisors (see below), whose sum is σ = 400480128. Its totient is φ = 253685952.

The previous prime is 322120229. The next prime is 322120283. The reversal of 322120253 is 352021223.

It is not a de Polignac number, because 322120253 - 2⁸ = 322119997 is a prime.

It is a super-2 number, since 2×322120253² = 207522914785568018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322120283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 327200 + ... + 328182.

It is an arithmetic number, because the mean of its divisors is an integer number (16686672).

Almost surely, 2^322120253 is an apocalyptic number.

It is an amenable number.

322120253 is a deficient number, since it is larger than the sum of its proper divisors (78359875).

322120253 is a wasteful number, since it uses less digits than its factorization.

322120253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 322120253 is about 17947.7088509927. The cubic root of 322120253 is about 685.4977134742.

Adding to 322120253 its reverse (352021223), we get a palindrome (674141476).

The spelling of 322120253 in words is "three hundred twenty-two million, one hundred twenty thousand, two hundred fifty-three".