722055377 has 4 divisors (see below), whose sum is σ = 727250160. Its totient is φ = 716860596.

The previous prime is 722055371. The next prime is 722055401. The reversal of 722055377 is 773550227.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 722055377 - 2⁴ = 722055361 is a prime.

It is a super-2 number, since 2×722055377² = 1042727934909224258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 722055377.

It is not an unprimeable number, because it can be changed into a prime (722055371) 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, 2597183 + ... + 2597460.

It is an arithmetic number, because the mean of its divisors is an integer number (181812540).

Almost surely, 2^722055377 is an apocalyptic number.

It is an amenable number.

722055377 is a deficient number, since it is larger than the sum of its proper divisors (5194783).

722055377 is a wasteful number, since it uses less digits than its factorization.

722055377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5194782.

The product of its (nonzero) digits is 102900, while the sum is 38.

The square root of 722055377 is about 26871.0881245996. The cubic root of 722055377 is about 897.1330072086.

The spelling of 722055377 in words is "seven hundred twenty-two million, fifty-five thousand, three hundred seventy-seven".