722524166 has 32 divisors (see below), whose sum is σ = 1336426560. Its totient is φ = 285290496.

The previous prime is 722524133. The next prime is 722524169. The reversal of 722524166 is 661425227.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722524169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100070 + ... + 107046.

It is an arithmetic number, because the mean of its divisors is an integer number (41763330).

Almost surely, 2^722524166 is an apocalyptic number.

722524166 is a deficient number, since it is larger than the sum of its proper divisors (613902394).

722524166 is a wasteful number, since it uses less digits than its factorization.

722524166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7568.

The product of its digits is 40320, while the sum is 35.

The square root of 722524166 is about 26879.8096347426. The cubic root of 722524166 is about 897.3271174828.

The spelling of 722524166 in words is "seven hundred twenty-two million, five hundred twenty-four thousand, one hundred sixty-six".