722130290 has 16 divisors (see below), whose sum is σ = 1485525312. Its totient is φ = 247587504.

The previous prime is 722130289. The next prime is 722130307. The reversal of 722130290 is 92031227.

722130290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5158004 + ... + 5158143.

It is an arithmetic number, because the mean of its divisors is an integer number (92845332).

Almost surely, 2^722130290 is an apocalyptic number.

722130290 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

722130290 is an abundant number, since it is smaller than the sum of its proper divisors (763395022).

722130290 is a wasteful number, since it uses less digits than its factorization.

722130290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10316161.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 722130290 is about 26872.4820215774. The cubic root of 722130290 is about 897.1640318839.

The spelling of 722130290 in words is "seven hundred twenty-two million, one hundred thirty thousand, two hundred ninety".