722279142 has 48 divisors (see below), whose sum is σ = 1688017968. Its totient is φ = 221883840.

The previous prime is 722279123. The next prime is 722279209. The reversal of 722279142 is 241972227.

722279142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 722279097 and 722279106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169417 + ... + 173627.

It is an arithmetic number, because the mean of its divisors is an integer number (35167041).

Almost surely, 2^722279142 is an apocalyptic number.

722279142 is an abundant number, since it is smaller than the sum of its proper divisors (965738826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722279142 is a wasteful number, since it uses less digits than its factorization.

722279142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4965 (or 4962 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 722279142 is about 26875.2514778932. The cubic root of 722279142 is about 897.2256714927.

The spelling of 722279142 in words is "seven hundred twenty-two million, two hundred seventy-nine thousand, one hundred forty-two".