654064220 has 48 divisors (see below), whose sum is σ = 1410490368. Its totient is φ = 254648640.

The previous prime is 654064199. The next prime is 654064237. The reversal of 654064220 is 22460456.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177719 + ... + 181361.

It is an arithmetic number, because the mean of its divisors is an integer number (29385216).

Almost surely, 2^654064220 is an apocalyptic number.

It is an amenable number.

654064220 is an abundant number, since it is smaller than the sum of its proper divisors (756426148).

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

654064220 is a wasteful number, since it uses less digits than its factorization.

654064220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3890 (or 3888 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 654064220 is about 25574.6792746263. The cubic root of 654064220 is about 868.0407843253.

The spelling of 654064220 in words is "six hundred fifty-four million, sixty-four thousand, two hundred twenty".