722788342 has 16 divisors (see below), whose sum is σ = 1091711520. Its totient is φ = 358893568.

The previous prime is 722788331. The next prime is 722788351. The reversal of 722788342 is 243887227.

It is a happy number.

It is a super-2 number, since 2×722788342² = 1044845974662217928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182568 + ... + 186484.

It is an arithmetic number, because the mean of its divisors is an integer number (68231970).

Almost surely, 2^722788342 is an apocalyptic number.

722788342 is a deficient number, since it is larger than the sum of its proper divisors (368923178).

722788342 is a wasteful number, since it uses less digits than its factorization.

722788342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535.

The product of its digits is 301056, while the sum is 43.

The square root of 722788342 is about 26884.7232085435. The cubic root of 722788342 is about 897.4364671833.

The spelling of 722788342 in words is "seven hundred twenty-two million, seven hundred eighty-eight thousand, three hundred forty-two".