425322331 has 8 divisors (see below), whose sum is σ = 497387264. Its totient is φ = 356083560.

The previous prime is 425322319. The next prime is 425322341. The reversal of 425322331 is 133223524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-425322331 is a prime.

It is a super-2 number, since 2×425322331² = 361798170494547122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425322296 and 425322305.

It is not an unprimeable number, because it can be changed into a prime (425322311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706215 + ... + 706816.

It is an arithmetic number, because the mean of its divisors is an integer number (62173408).

Almost surely, 2^425322331 is an apocalyptic number.

425322331 is a deficient number, since it is larger than the sum of its proper divisors (72064933).

425322331 is a wasteful number, since it uses less digits than its factorization.

425322331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413081.

The product of its digits is 4320, while the sum is 25.

The square root of 425322331 is about 20623.3443214237. The cubic root of 425322331 is about 752.0373235540.

Adding to 425322331 its reverse (133223524), we get a palindrome (558545855).

The spelling of 425322331 in words is "four hundred twenty-five million, three hundred twenty-two thousand, three hundred thirty-one".