651562228 has 12 divisors (see below), whose sum is σ = 1158926692. Its totient is φ = 320440320.

The previous prime is 651562199. The next prime is 651562229. The reversal of 651562228 is 822265156.

651562228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 135908964 + 515653264 = 11658^2 + 22708^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651562229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334925 + ... + 1335412.

Almost surely, 2^651562228 is an apocalyptic number.

It is an amenable number.

651562228 is a deficient number, since it is larger than the sum of its proper divisors (507364464).

651562228 is a wasteful number, since it uses less digits than its factorization.

651562228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670402 (or 2670400 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 651562228 is about 25525.7169928682. The cubic root of 651562228 is about 866.9325311223.

The spelling of 651562228 in words is "six hundred fifty-one million, five hundred sixty-two thousand, two hundred twenty-eight".