722272050 has 72 divisors (see below), whose sum is σ = 1959469824. Its totient is φ = 190723680.

The previous prime is 722272021. The next prime is 722272051. The reversal of 722272050 is 50272227.

It is a happy number.

It is a super-2 number, since 2×722272050² = 1043353828422405000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (722272051) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 38559 + ... + 54141.

Almost surely, 2^722272050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722272050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (979734912).

722272050 is an abundant number, since it is smaller than the sum of its proper divisors (1237197774).

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

722272050 is a wasteful number, since it uses less digits than its factorization.

722272050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15704 (or 15696 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 722272050 is about 26875.1195346179. The cubic root of 722272050 is about 897.2227348879. Note that the first 3 decimals are identical.

The spelling of 722272050 in words is "seven hundred twenty-two million, two hundred seventy-two thousand, fifty".