722294496 has 540 divisors, whose sum is σ = 2773918224. Its totient is φ = 183617280.

The previous prime is 722294479. The next prime is 722294533. The reversal of 722294496 is 694492227.

It is a happy number.

722294496 is a `hidden beast` number, since 72 + 2 + 2 + 94 + 496 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 15367945 + ... + 15367991.

Almost surely, 2^722294496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722294496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1386959112).

722294496 is an abundant number, since it is smaller than the sum of its proper divisors (2051623728).

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

722294496 is a wasteful number, since it uses less digits than its factorization.

722294496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 70 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 722294496 is about 26875.5371295161. The cubic root of 722294496 is about 897.2320291018.

It can be divided in two parts, 7 and 22294496, that added together give a triangular number (22294503 = T₆₆₇₇).

The spelling of 722294496 in words is "seven hundred twenty-two million, two hundred ninety-four thousand, four hundred ninety-six".