724466225 has 36 divisors (see below), whose sum is σ = 1067324544. Its totient is φ = 486168480.

The previous prime is 724466221. The next prime is 724466231. The reversal of 724466225 is 522664427.

It is a happy number.

It is not a de Polignac number, because 724466225 - 2² = 724466221 is a prime.

It is a super-2 number, since 2×724466225² = 1049702622331501250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (724466221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51284 + ... + 63866.

It is an arithmetic number, because the mean of its divisors is an integer number (29647904).

Almost surely, 2^724466225 is an apocalyptic number.

It is an amenable number.

724466225 is a deficient number, since it is larger than the sum of its proper divisors (342858319).

724466225 is a wasteful number, since it uses less digits than its factorization.

724466225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12654 (or 12642 counting only the distinct ones).

The product of its digits is 161280, while the sum is 38.

The square root of 724466225 is about 26915.9102576896. The cubic root of 724466225 is about 898.1303677442.

The spelling of 724466225 in words is "seven hundred twenty-four million, four hundred sixty-six thousand, two hundred twenty-five".