722413406 has 64 divisors (see below), whose sum is σ = 1311399936. Its totient is φ = 294105600.

The previous prime is 722413387. The next prime is 722413409. The reversal of 722413406 is 604314227.

It is a super-2 number, since 2×722413406² = 1043762258337041672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722413409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2997446 + ... + 2997686.

It is an arithmetic number, because the mean of its divisors is an integer number (20490624).

Almost surely, 2^722413406 is an apocalyptic number.

722413406 is a deficient number, since it is larger than the sum of its proper divisors (588986530).

722413406 is a wasteful number, since it uses less digits than its factorization.

722413406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 722413406 is about 26877.7492733302. The cubic root of 722413406 is about 897.2812629471.

The spelling of 722413406 in words is "seven hundred twenty-two million, four hundred thirteen thousand, four hundred six".