322261225 has 48 divisors (see below), whose sum is σ = 474344640. Its totient is φ = 214099200.

The previous prime is 322261169. The next prime is 322261229. The reversal of 322261225 is 522162223.

It is a happy number.

It is not a de Polignac number, because 322261225 - 2¹¹ = 322259177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 322261225.

It is not an unprimeable number, because it can be changed into a prime (322261229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 389262 + ... + 390088.

It is an arithmetic number, because the mean of its divisors is an integer number (9882180).

Almost surely, 2^322261225 is an apocalyptic number.

It is an amenable number.

322261225 is a deficient number, since it is larger than the sum of its proper divisors (152083415).

322261225 is a wasteful number, since it uses less digits than its factorization.

322261225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 965 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 322261225 is about 17951.6357193432. The cubic root of 322261225 is about 685.5976987944.

The spelling of 322261225 in words is "three hundred twenty-two million, two hundred sixty-one thousand, two hundred twenty-five".