726623022 has 16 divisors (see below), whose sum is σ = 1453520592. Its totient is φ = 242161920.

The previous prime is 726623011. The next prime is 726623063. The reversal of 726623022 is 220326627.

It is a super-2 number, since 2×726623022² = 1055962032200824968, 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42622 + ... + 57182.

It is an arithmetic number, because the mean of its divisors is an integer number (90845037).

Almost surely, 2^726623022 is an apocalyptic number.

726623022 is an abundant number, since it is smaller than the sum of its proper divisors (726897570).

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

726623022 is a wasteful number, since it uses less digits than its factorization.

726623022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22883.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 726623022 is about 26955.9459488997. The cubic root of 726623022 is about 899.0207546713.

Adding to 726623022 its reverse (220326627), we get a palindrome (946949649).

The spelling of 726623022 in words is "seven hundred twenty-six million, six hundred twenty-three thousand, twenty-two".