722843142 has 32 divisors (see below), whose sum is σ = 1653142272. Its totient is φ = 206410464.

The previous prime is 722843131. The next prime is 722843237. The reversal of 722843142 is 241348227.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94908 + ... + 102240.

It is an arithmetic number, because the mean of its divisors is an integer number (51660696).

Almost surely, 2^722843142 is an apocalyptic number.

722843142 is an abundant number, since it is smaller than the sum of its proper divisors (930299130).

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

722843142 is a wasteful number, since it uses less digits than its factorization.

722843142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9692.

The product of its digits is 21504, while the sum is 33.

The square root of 722843142 is about 26885.7423553823. The cubic root of 722843142 is about 897.4591470711.

The spelling of 722843142 in words is "seven hundred twenty-two million, eight hundred forty-three thousand, one hundred forty-two".