722046477 has 16 divisors (see below), whose sum is σ = 984130560. Its totient is φ = 470682672.

The previous prime is 722046469. The next prime is 722046503. The reversal of 722046477 is 774640227.

It is not a de Polignac number, because 722046477 - 2³ = 722046469 is a prime.

It is a super-2 number, since 2×722046477² = 1042702229896223058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722046407) 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 15 ways as a sum of consecutive naturals, for example, 226698 + ... + 229860.

It is an arithmetic number, because the mean of its divisors is an integer number (61508160).

Almost surely, 2^722046477 is an apocalyptic number.

It is an amenable number.

722046477 is a deficient number, since it is larger than the sum of its proper divisors (262084083).

722046477 is a wasteful number, since it uses less digits than its factorization.

722046477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4832.

The product of its (nonzero) digits is 131712, while the sum is 39.

The square root of 722046477 is about 26870.9225185888. The cubic root of 722046477 is about 897.1293211956.

The spelling of 722046477 in words is "seven hundred twenty-two million, forty-six thousand, four hundred seventy-seven".