725054226 has 32 divisors (see below), whose sum is σ = 1612036608. Its totient is φ = 215896320.

The previous prime is 725054173. The next prime is 725054227. The reversal of 725054226 is 622450527.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (725054227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147511 + ... + 152346.

It is an arithmetic number, because the mean of its divisors is an integer number (50376144).

Almost surely, 2^725054226 is an apocalyptic number.

725054226 is an abundant number, since it is smaller than the sum of its proper divisors (886982382).

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

725054226 is a wasteful number, since it uses less digits than its factorization.

725054226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299906.

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

The square root of 725054226 is about 26926.8309683854. The cubic root of 725054226 is about 898.3732862432.

The spelling of 725054226 in words is "seven hundred twenty-five million, fifty-four thousand, two hundred twenty-six".