725222043 has 24 divisors (see below), whose sum is σ = 1289285088. Its totient is φ = 382534272.

The previous prime is 725222009. The next prime is 725222051. The reversal of 725222043 is 340222527.

It is not a de Polignac number, because 725222043 - 2¹² = 725217947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 725221998 and 725222016.

It is not an unprimeable number, because it can be changed into a prime (725222083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 441930 + ... + 443567.

It is an arithmetic number, because the mean of its divisors is an integer number (53720212).

Almost surely, 2^725222043 is an apocalyptic number.

725222043 is a deficient number, since it is larger than the sum of its proper divisors (564063045).

725222043 is a wasteful number, since it uses less digits than its factorization.

725222043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885523 (or 885520 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 725222043 is about 26929.9469550165. The cubic root of 725222043 is about 898.4425917169.

The spelling of 725222043 in words is "seven hundred twenty-five million, two hundred twenty-two thousand, forty-three".