322713225 has 18 divisors (see below), whose sum is σ = 578015646. Its totient is φ = 172113600.

The previous prime is 322713221. The next prime is 322713239. The reversal of 322713225 is 522317223.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1192464 + 321520761 = 1092^2 + 17931^2 .

It is not a de Polignac number, because 322713225 - 2² = 322713221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (322713221) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 716916 + ... + 717365.

Almost surely, 2^322713225 is an apocalyptic number.

It is an amenable number.

322713225 is a deficient number, since it is larger than the sum of its proper divisors (255302421).

322713225 is a wasteful number, since it uses less digits than its factorization.

322713225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434297 (or 1434289 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 322713225 is about 17964.2206900272. The cubic root of 322713225 is about 685.9180862790.

The spelling of 322713225 in words is "three hundred twenty-two million, seven hundred thirteen thousand, two hundred twenty-five".