722260377 has 12 divisors (see below), whose sum is σ = 1043504020. Its totient is φ = 481396608.

The previous prime is 722260367. The next prime is 722260391. The reversal of 722260377 is 773062227.

722260377 is a `hidden beast` number, since 7 + 22 + 260 + 377 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 540981081 + 181279296 = 23259^2 + 13464^2 .

It is not a de Polignac number, because 722260377 - 2¹⁴ = 722243993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722260367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58533 + ... + 69789.

Almost surely, 2^722260377 is an apocalyptic number.

It is an amenable number.

722260377 is a deficient number, since it is larger than the sum of its proper divisors (321243643).

722260377 is a wasteful number, since it uses less digits than its factorization.

722260377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18392 (or 18389 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 722260377 is about 26874.9023626133. The cubic root of 722260377 is about 897.2179013733.

The spelling of 722260377 in words is "seven hundred twenty-two million, two hundred sixty thousand, three hundred seventy-seven".