725222388590 has 48 divisors (see below), whose sum is σ = 1534181895792. Its totient is φ = 246084281856.

The previous prime is 725222388571. The next prime is 725222388599. The reversal of 725222388590 is 95883222527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725222388599) 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, 7581572 + ... + 7676631.

It is an arithmetic number, because the mean of its divisors is an integer number (31962122829).

Almost surely, 2^725222388590 is an apocalyptic number.

725222388590 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

725222388590 is an abundant number, since it is smaller than the sum of its proper divisors (808959507202).

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

725222388590 is a wasteful number, since it uses less digits than its factorization.

725222388590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15258321 (or 15258314 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 725222388590 in words is "seven hundred twenty-five billion, two hundred twenty-two million, three hundred eighty-eight thousand, five hundred ninety".