722600055 has 16 divisors (see below), whose sum is σ = 1284622560. Its totient is φ = 385386624.

The previous prime is 722600041. The next prime is 722600059. The reversal of 722600055 is 550006227.

722600055 is a `hidden beast` number, since 7 + 2 + 2 + 600 + 0 + 55 = 666.

It is not a de Polignac number, because 722600055 - 2⁵ = 722600023 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722600059) 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, 2676162 + ... + 2676431.

It is an arithmetic number, because the mean of its divisors is an integer number (80288910).

Almost surely, 2^722600055 is an apocalyptic number.

722600055 is a deficient number, since it is larger than the sum of its proper divisors (562022505).

722600055 is a wasteful number, since it uses less digits than its factorization.

722600055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352607 (or 5352601 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 722600055 is about 26881.2212334187. The cubic root of 722600055 is about 897.3585327521.

The spelling of 722600055 in words is "seven hundred twenty-two million, six hundred thousand, fifty-five".