722606498 has 8 divisors (see below), whose sum is σ = 1084097820. Its totient is φ = 361240560.

The previous prime is 722606413. The next prime is 722606501. The reversal of 722606498 is 894606227.

It can be written as a sum of positive squares in 2 ways, for example, as 683456449 + 39150049 = 26143^2 + 6257^2 .

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

It is a super-3 number, since 3×722606498³ (a number of 28 digits) contains 333 as substring.

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, 15293 + ... + 40976.

Almost surely, 2^722606498 is an apocalyptic number.

722606498 is a deficient number, since it is larger than the sum of its proper divisors (361491322).

722606498 is a wasteful number, since it uses less digits than its factorization.

722606498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62692.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 722606498 is about 26881.3410751770. The cubic root of 722606498 is about 897.3611998170.

The spelling of 722606498 in words is "seven hundred twenty-two million, six hundred six thousand, four hundred ninety-eight".