722411619 has 4 divisors (see below), whose sum is σ = 963215496. Its totient is φ = 481607744.

The previous prime is 722411587. The next prime is 722411639. The reversal of 722411619 is 916114227.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 722411619 - 2⁵ = 722411587 is a prime.

It is a super-3 number, since 3×722411619³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 722411619.

It is not an unprimeable number, because it can be changed into a prime (722411639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120401934 + ... + 120401939.

It is an arithmetic number, because the mean of its divisors is an integer number (240803874).

Almost surely, 2^722411619 is an apocalyptic number.

722411619 is a deficient number, since it is larger than the sum of its proper divisors (240803877).

722411619 is a wasteful number, since it uses less digits than its factorization.

722411619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240803876.

The product of its digits is 6048, while the sum is 33.

The square root of 722411619 is about 26877.7160301987. The cubic root of 722411619 is about 897.2805230924.

The spelling of 722411619 in words is "seven hundred twenty-two million, four hundred eleven thousand, six hundred nineteen".