722924 has 6 divisors (see below), whose sum is σ = 1265124. Its totient is φ = 361460.

The previous prime is 722921. The next prime is 722933. The reversal of 722924 is 429227.

It is a junction number, because it is equal to n+sod(n) for n = 722893 and 722902.

It is not an unprimeable number, because it can be changed into a prime (722921) 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 as a sum of consecutive naturals, namely, 90362 + ... + 90369.

It is an arithmetic number, because the mean of its divisors is an integer number (210854).

2⁷²²⁹²⁴ is an apocalyptic number.

It is an amenable number.

722924 is a deficient number, since it is larger than the sum of its proper divisors (542200).

722924 is a wasteful number, since it uses less digits than its factorization.

722924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180735 (or 180733 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 722924 is about 850.2493751835. The cubic root of 722924 is about 89.7492609401.

The spelling of 722924 in words is "seven hundred twenty-two thousand, nine hundred twenty-four".