722197446 has 8 divisors (see below), whose sum is σ = 1444394904. Its totient is φ = 240732480.

The previous prime is 722197433. The next prime is 722197453. The reversal of 722197446 is 644791227.

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

722197446 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 722197398 and 722197407.

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 3 ways as a sum of consecutive naturals, for example, 60183115 + ... + 60183126.

It is an arithmetic number, because the mean of its divisors is an integer number (180549363).

Almost surely, 2^722197446 is an apocalyptic number.

722197446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

722197446 is a wasteful number, since it uses less digits than its factorization.

722197446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120366246.

The product of its digits is 169344, while the sum is 42.

The square root of 722197446 is about 26873.7315235529. The cubic root of 722197446 is about 897.1918422302.

The spelling of 722197446 in words is "seven hundred twenty-two million, one hundred ninety-seven thousand, four hundred forty-six".