722846142 has 12 divisors (see below), whose sum is σ = 1566166680. Its totient is φ = 240948708.

The previous prime is 722846123. The next prime is 722846143. The reversal of 722846142 is 241648227.

It is a junction number, because it is equal to n+sod(n) for n = 722846097 and 722846106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722846143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20079042 + ... + 20079077.

It is an arithmetic number, because the mean of its divisors is an integer number (130513890).

Almost surely, 2^722846142 is an apocalyptic number.

722846142 is an abundant number, since it is smaller than the sum of its proper divisors (843320538).

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

722846142 is a wasteful number, since it uses less digits than its factorization.

722846142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40158127 (or 40158124 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 722846142 is about 26885.7981469772. The cubic root of 722846142 is about 897.4603886377.

The spelling of 722846142 in words is "seven hundred twenty-two million, eight hundred forty-six thousand, one hundred forty-two".