725526222 has 16 divisors (see below), whose sum is σ = 1478431440. Its totient is φ = 237278912.

The previous prime is 725526199. The next prime is 725526227. The reversal of 725526222 is 222625527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725526227) 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, 1140447 + ... + 1141082.

It is an arithmetic number, because the mean of its divisors is an integer number (92401965).

Almost surely, 2^725526222 is an apocalyptic number.

725526222 is an abundant number, since it is smaller than the sum of its proper divisors (752905218).

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

725526222 is a wasteful number, since it uses less digits than its factorization.

725526222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281587.

The product of its digits is 33600, while the sum is 33.

The square root of 725526222 is about 26935.5939604086. The cubic root of 725526222 is about 898.5681850541.

The spelling of 725526222 in words is "seven hundred twenty-five million, five hundred twenty-six thousand, two hundred twenty-two".