322302225 has 96 divisors (see below), whose sum is σ = 650752000. Its totient is φ = 137479680.

The previous prime is 322302221. The next prime is 322302241. The reversal of 322302225 is 522203223.

It is not a de Polignac number, because 322302225 - 2² = 322302221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (322302221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 787821 + ... + 788229.

Almost surely, 2^322302225 is an apocalyptic number.

322302225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

322302225 is an abundant number, since it is smaller than the sum of its proper divisors (328449775).

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

322302225 is a wasteful number, since it uses less digits than its factorization.

322302225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 322302225 is about 17952.7776402427. Note that the first 3 decimals coincide. The cubic root of 322302225 is about 685.6267728410.

Adding to 322302225 its reverse (522203223), we get a palindrome (844505448).

The spelling of 322302225 in words is "three hundred twenty-two million, three hundred two thousand, two hundred twenty-five".