331601224 has 32 divisors (see below), whose sum is σ = 664264800. Its totient is φ = 154725120.

The previous prime is 331601177. The next prime is 331601279. The reversal of 331601224 is 422106133.

It is a junction number, because it is equal to n+sod(n) for n = 331601195 and 331601204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6097 + ... + 26464.

It is an arithmetic number, because the mean of its divisors is an integer number (20758275).

Almost surely, 2^331601224 is an apocalyptic number.

It is an amenable number.

331601224 is an abundant number, since it is smaller than the sum of its proper divisors (332663576).

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

331601224 is a wasteful number, since it uses less digits than its factorization.

331601224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32653 (or 32649 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 331601224 is about 18209.9210322286. The cubic root of 331601224 is about 692.1582105654.

Adding to 331601224 its reverse (422106133), we get a palindrome (753707357).

The spelling of 331601224 in words is "three hundred thirty-one million, six hundred one thousand, two hundred twenty-four".