63228394 has 4 divisors (see below), whose sum is σ = 94842594. Its totient is φ = 31614196.

The previous prime is 63228379. The next prime is 63228419. The reversal of 63228394 is 49382236.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 59861169 + 3367225 = 7737^2 + 1835^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15807097 + ... + 15807100.

Almost surely, 2^63228394 is an apocalyptic number.

63228394 is a deficient number, since it is larger than the sum of its proper divisors (31614200).

63228394 is a wasteful number, since it uses less digits than its factorization.

63228394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31614199.

The product of its digits is 62208, while the sum is 37.

The square root of 63228394 is about 7951.6283866891. The cubic root of 63228394 is about 398.3859836375.

The spelling of 63228394 in words is "sixty-three million, two hundred twenty-eight thousand, three hundred ninety-four".