322145252 has 48 divisors (see below), whose sum is σ = 670790400. Its totient is φ = 133436160.

The previous prime is 322145177. The next prime is 322145261. The reversal of 322145252 is 252541223.

It is a super-2 number, since 2×322145252² = 207555126772287008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41624 + ... + 48752.

It is an arithmetic number, because the mean of its divisors is an integer number (13974800).

Almost surely, 2^322145252 is an apocalyptic number.

It is an amenable number.

322145252 is an abundant number, since it is smaller than the sum of its proper divisors (348645148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

322145252 is a wasteful number, since it uses less digits than its factorization.

322145252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7236 (or 7234 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 322145252 is about 17948.4052773499. The cubic root of 322145252 is about 685.5154463073.

Adding to 322145252 its reverse (252541223), we get a palindrome (574686475).

The spelling of 322145252 in words is "three hundred twenty-two million, one hundred forty-five thousand, two hundred fifty-two".