722001255 has 32 divisors (see below), whose sum is σ = 1197547200. Its totient is φ = 371008512.

The previous prime is 722001251. The next prime is 722001283. The reversal of 722001255 is 552100227.

It is not a de Polignac number, because 722001255 - 2² = 722001251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722001251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246057 + ... + 248973.

It is an arithmetic number, because the mean of its divisors is an integer number (37423350).

Almost surely, 2^722001255 is an apocalyptic number.

722001255 is a deficient number, since it is larger than the sum of its proper divisors (475545945).

722001255 is a wasteful number, since it uses less digits than its factorization.

722001255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3523.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 722001255 is about 26870.0810382105. The cubic root of 722001255 is about 897.1105916399.

The spelling of 722001255 in words is "seven hundred twenty-two million, one thousand, two hundred fifty-five".