722274111 has 16 divisors (see below), whose sum is σ = 1152346720. Its totient is φ = 444476160.

The previous prime is 722274109. The next prime is 722274149. The reversal of 722274111 is 111472227.

It is a happy number.

It is not a de Polignac number, because 722274111 - 2¹ = 722274109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722274101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1028530 + ... + 1029231.

It is an arithmetic number, because the mean of its divisors is an integer number (72021670).

Almost surely, 2^722274111 is an apocalyptic number.

722274111 is a deficient number, since it is larger than the sum of its proper divisors (430072609).

722274111 is a wasteful number, since it uses less digits than its factorization.

722274111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057783 (or 2057777 counting only the distinct ones).

The product of its digits is 1568, while the sum is 27.

The square root of 722274111 is about 26875.1578786060. The cubic root of 722274111 is about 897.2235882941.

The spelling of 722274111 in words is "seven hundred twenty-two million, two hundred seventy-four thousand, one hundred eleven".