722042 has 16 divisors (see below), whose sum is σ = 1144800. Its totient is φ = 341040.

The previous prime is 722027. The next prime is 722047. The reversal of 722042 is 240227.

It is a self number, because there is not a number n which added to its sum of digits gives 722042.

It is not an unprimeable number, because it can be changed into a prime (722047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3317 + ... + 3527.

It is an arithmetic number, because the mean of its divisors is an integer number (71550).

2⁷²²⁰⁴² is an apocalyptic number.

722042 is a deficient number, since it is larger than the sum of its proper divisors (422758).

722042 is a wasteful number, since it uses less digits than its factorization.

722042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 722042 is about 849.7305455261. The cubic root of 722042 is about 89.7127466995.

Adding to 722042 its reverse (240227), we get a palindrome (962269).

The spelling of 722042 in words is "seven hundred twenty-two thousand, forty-two", and thus it is an iban number.