722221429365 has 12 divisors (see below), whose sum is σ = 1251850477644. Its totient is φ = 385184762304.

The previous prime is 722221429331. The next prime is 722221429393. The reversal of 722221429365 is 563924122227.

722221429365 is a `hidden beast` number, since 7 + 22 + 221 + 42 + 9 + 365 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 79798340196 + 642423089169 = 282486^2 + 801513^2 .

It is not a de Polignac number, because 722221429365 - 2¹⁸ = 722221167221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 16049365097 = 722221429365 / (7 + 2 + 2 + 2 + 2 + 1 + 4 + 2 + 9 + 3 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 722221429365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8024682504 + ... + 8024682593.

It is an arithmetic number, because the mean of its divisors is an integer number (104320873137).

Almost surely, 2^722221429365 is an apocalyptic number.

It is an amenable number.

722221429365 is a deficient number, since it is larger than the sum of its proper divisors (529629048279).

722221429365 is a wasteful number, since it uses less digits than its factorization.

722221429365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16049365108 (or 16049365105 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 722221429365 in words is "seven hundred twenty-two billion, two hundred twenty-one million, four hundred twenty-nine thousand, three hundred sixty-five".