63680226 has 16 divisors (see below), whose sum is σ = 127484928. Its totient is φ = 21206000.

The previous prime is 63680161. The next prime is 63680251. The reversal of 63680226 is 62208636.

It is a super-2 number, since 2×63680226² = 8110342366822152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2296 + ... + 11516.

It is an arithmetic number, because the mean of its divisors is an integer number (7967808).

Almost surely, 2^63680226 is an apocalyptic number.

63680226 is an abundant number, since it is smaller than the sum of its proper divisors (63804702).

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

63680226 is a wasteful number, since it uses less digits than its factorization.

63680226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10377.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 63680226 is about 7979.9890977369. The cubic root of 63680226 is about 399.3326915343.

The spelling of 63680226 in words is "sixty-three million, six hundred eighty thousand, two hundred twenty-six".