725221202 has 16 divisors (see below), whose sum is σ = 1115154432. Its totient is φ = 353515680.

The previous prime is 725221171. The next prime is 725221229. The reversal of 725221202 is 202122527.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173663 + ... + 177789.

It is an arithmetic number, because the mean of its divisors is an integer number (69697152).

Almost surely, 2^725221202 is an apocalyptic number.

725221202 is a deficient number, since it is larger than the sum of its proper divisors (389933230).

725221202 is a wasteful number, since it uses less digits than its factorization.

725221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6313.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 725221202 is about 26929.9313404249. The cubic root of 725221202 is about 898.4422444253.

Adding to 725221202 its reverse (202122527), we get a palindrome (927343729).

The spelling of 725221202 in words is "seven hundred twenty-five million, two hundred twenty-one thousand, two hundred two".