722427402 has 8 divisors (see below), whose sum is σ = 1444854816. Its totient is φ = 240809132.

The previous prime is 722427361. The next prime is 722427463. The reversal of 722427402 is 204724227.

722427402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

722427402 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 722427402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60202278 + ... + 60202289.

It is an arithmetic number, because the mean of its divisors is an integer number (180606852).

Almost surely, 2^722427402 is an apocalyptic number.

722427402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

722427402 is a wasteful number, since it uses less digits than its factorization.

722427402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120404572.

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 722427402 is about 26878.0096361319. The cubic root of 722427402 is about 897.2870575366.

The spelling of 722427402 in words is "seven hundred twenty-two million, four hundred twenty-seven thousand, four hundred two".