654223224 has 128 divisors (see below), whose sum is σ = 1769402880. Its totient is φ = 201062400.

The previous prime is 654223187. The next prime is 654223249. The reversal of 654223224 is 422322456.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 654223191 and 654223200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3100479 + ... + 3100689.

It is an arithmetic number, because the mean of its divisors is an integer number (13823460).

Almost surely, 2^654223224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654223224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (884701440).

654223224 is an abundant number, since it is smaller than the sum of its proper divisors (1115179656).

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

654223224 is a wasteful number, since it uses less digits than its factorization.

654223224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 417 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 654223224 is about 25577.7877073057. The cubic root of 654223224 is about 868.1111193015. Note that the first 5 decimals are identical.

The spelling of 654223224 in words is "six hundred fifty-four million, two hundred twenty-three thousand, two hundred twenty-four".