654722424 has 48 divisors (see below), whose sum is σ = 1778033400. Its totient is φ = 217646784.

The previous prime is 654722389. The next prime is 654722489. The reversal of 654722424 is 424227456.

It is a super-2 number, since 2×654722424² = 857322904976871552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 14667 + ... + 39045.

Almost surely, 2^654722424 is an apocalyptic number.

It is an amenable number.

654722424 is an abundant number, since it is smaller than the sum of its proper divisors (1123310976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

654722424 is a wasteful number, since it uses less digits than its factorization.

654722424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24764 (or 24757 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The square root of 654722424 is about 25587.5443135913. The cubic root of 654722424 is about 868.3318650028.

It can be divided in two parts, 65472 and 2424, that added together give a triangular number (67896 = T₃₆₈).

The spelling of 654722424 in words is "six hundred fifty-four million, seven hundred twenty-two thousand, four hundred twenty-four".