63842228 has 6 divisors (see below), whose sum is σ = 111723906. Its totient is φ = 31921112.

The previous prime is 63842213. The next prime is 63842239. The reversal of 63842228 is 82224836.

It can be written as a sum of positive squares in only one way, i.e., 63552784 + 289444 = 7972^2 + 538^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7980275 + ... + 7980282.

It is an arithmetic number, because the mean of its divisors is an integer number (18620651).

Almost surely, 2^63842228 is an apocalyptic number.

It is an amenable number.

63842228 is a deficient number, since it is larger than the sum of its proper divisors (47881678).

63842228 is a wasteful number, since it uses less digits than its factorization.

63842228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15960561 (or 15960559 counting only the distinct ones).

The product of its digits is 36864, while the sum is 35.

The square root of 63842228 is about 7990.1331653484. The cubic root of 63842228 is about 399.6710378673.

The spelling of 63842228 in words is "sixty-three million, eight hundred forty-two thousand, two hundred twenty-eight".