64226678 has 4 divisors (see below), whose sum is σ = 96340020. Its totient is φ = 32113338.

The previous prime is 64226627. The next prime is 64226681. The reversal of 64226678 is 87662246.

64226678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

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, 16056668 + ... + 16056671.

It is an arithmetic number, because the mean of its divisors is an integer number (24085005).

Almost surely, 2^64226678 is an apocalyptic number.

64226678 is a deficient number, since it is larger than the sum of its proper divisors (32113342).

64226678 is a wasteful number, since it uses less digits than its factorization.

64226678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32113341.

The product of its digits is 193536, while the sum is 41.

The square root of 64226678 is about 8014.1548525094. The cubic root of 64226678 is about 400.4716893875.

The spelling of 64226678 in words is "sixty-four million, two hundred twenty-six thousand, six hundred seventy-eight".