722231403 has 4 divisors (see below), whose sum is σ = 962975208. Its totient is φ = 481487600.

The previous prime is 722231369. The next prime is 722231431. The reversal of 722231403 is 304132227.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 722231403 - 2¹² = 722227307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (722231473) 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, 120371898 + ... + 120371903.

It is an arithmetic number, because the mean of its divisors is an integer number (240743802).

Almost surely, 2^722231403 is an apocalyptic number.

722231403 is a deficient number, since it is larger than the sum of its proper divisors (240743805).

722231403 is a wasteful number, since it uses less digits than its factorization.

722231403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240743804.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 722231403 is about 26874.3633040859. The cubic root of 722231403 is about 897.2059036968.

The spelling of 722231403 in words is "seven hundred twenty-two million, two hundred thirty-one thousand, four hundred three".