725015174525222 has 16 divisors (see below), whose sum is σ = 1242883875381792. Its totient is φ = 310720609319040.

The previous prime is 725015174525219. The next prime is 725015174525233. The reversal of 725015174525222 is 222525471510527.

It is a happy number.

It is a super-2 number, since 2×725015174525222² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11724572 + ... + 39843392.

It is an arithmetic number, because the mean of its divisors is an integer number (77680242211362).

Almost surely, 2^{725015174525222} is an apocalyptic number.

725015174525222 is a deficient number, since it is larger than the sum of its proper divisors (517868700856570).

725015174525222 is a wasteful number, since it uses less digits than its factorization.

725015174525222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29960543.

The product of its (nonzero) digits is 3920000, while the sum is 50.

The spelling of 725015174525222 in words is "seven hundred twenty-five trillion, fifteen billion, one hundred seventy-four million, five hundred twenty-five thousand, two hundred twenty-two".