322215425 has 36 divisors (see below), whose sum is σ = 477408060. Its totient is φ = 214945920.

The previous prime is 322215403. The next prime is 322215437. The reversal of 322215425 is 524512223.

It can be written as a sum of positive squares in 6 ways, for example, as 4092529 + 318122896 = 2023^2 + 17836^2 .

It is not a de Polignac number, because 322215425 - 2¹⁶ = 322149889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 322215394 and 322215403.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41771 + ... + 48879.

It is an arithmetic number, because the mean of its divisors is an integer number (13261335).

Almost surely, 2^322215425 is an apocalyptic number.

322215425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

322215425 is a deficient number, since it is larger than the sum of its proper divisors (155192635).

322215425 is a wasteful number, since it uses less digits than its factorization.

322215425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7170 (or 7158 counting only the distinct ones).

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

The square root of 322215425 is about 17950.3600242446. The cubic root of 322215425 is about 685.5652180408.

Adding to 322215425 its reverse (524512223), we get a palindrome (846727648).

The spelling of 322215425 in words is "three hundred twenty-two million, two hundred fifteen thousand, four hundred twenty-five".