722089698 has 32 divisors (see below), whose sum is σ = 1578673152. Its totient is φ = 218370000.

The previous prime is 722089691. The next prime is 722089721. The reversal of 722089698 is 896980227.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 722089698.

It is not an unprimeable number, because it can be changed into a prime (722089691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22323 + ... + 44073.

It is an arithmetic number, because the mean of its divisors is an integer number (49333536).

Almost surely, 2^722089698 is an apocalyptic number.

722089698 is an abundant number, since it is smaller than the sum of its proper divisors (856583454).

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

722089698 is a wasteful number, since it uses less digits than its factorization.

722089698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22270.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 722089698 is about 26871.7267402004. The cubic root of 722089698 is about 897.1472212681.

The spelling of 722089698 in words is "seven hundred twenty-two million, eighty-nine thousand, six hundred ninety-eight".