624466228 has 6 divisors (see below), whose sum is σ = 1092815906. Its totient is φ = 312233112.

The previous prime is 624466223. The next prime is 624466247. The reversal of 624466228 is 822664426.

It can be written as a sum of positive squares in only one way, i.e., 414448164 + 210018064 = 20358^2 + 14492^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (624466223) 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 as a sum of consecutive naturals, namely, 78058275 + ... + 78058282.

Almost surely, 2^624466228 is an apocalyptic number.

It is an amenable number.

624466228 is a deficient number, since it is larger than the sum of its proper divisors (468349678).

624466228 is a wasteful number, since it uses less digits than its factorization.

624466228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156116561 (or 156116559 counting only the distinct ones).

The product of its digits is 221184, while the sum is 40.

The square root of 624466228 is about 24989.3222797258. The cubic root of 624466228 is about 854.7445074074.

The spelling of 624466228 in words is "six hundred twenty-four million, four hundred sixty-six thousand, two hundred twenty-eight".