722464863 has 4 divisors (see below), whose sum is σ = 963286488. Its totient is φ = 481643240.

The previous prime is 722464837. The next prime is 722464877. The reversal of 722464863 is 368464227.

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 722464863 - 2¹⁰ = 722463839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722464163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120410808 + ... + 120410813.

It is an arithmetic number, because the mean of its divisors is an integer number (240821622).

Almost surely, 2^722464863 is an apocalyptic number.

722464863 is a deficient number, since it is larger than the sum of its proper divisors (240821625).

722464863 is a wasteful number, since it uses less digits than its factorization.

722464863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240821624.

The product of its digits is 387072, while the sum is 42.

The square root of 722464863 is about 26878.7064978953. The cubic root of 722464863 is about 897.3025666796.

It can be divided in two parts, 722464 and 863, that added together give a palindrome (723327).

The spelling of 722464863 in words is "seven hundred twenty-two million, four hundred sixty-four thousand, eight hundred sixty-three".