64226677 has 4 divisors (see below), whose sum is σ = 66441420. Its totient is φ = 62011936.

The previous prime is 64226627. The next prime is 64226681. The reversal of 64226677 is 77662246.

It is a happy number.

64226677 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 can be written as a sum of positive squares in 2 ways, for example, as 14791716 + 49434961 = 3846^2 + 7031^2 .

It is a cyclic number.

It is not a de Polignac number, because 64226677 - 2¹⁹ = 63702389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64226627) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1107328 + ... + 1107385.

It is an arithmetic number, because the mean of its divisors is an integer number (16610355).

Almost surely, 2^64226677 is an apocalyptic number.

It is an amenable number.

64226677 is a deficient number, since it is larger than the sum of its proper divisors (2214743).

64226677 is a wasteful number, since it uses less digits than its factorization.

64226677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214742.

The product of its digits is 169344, while the sum is 40.

The square root of 64226677 is about 8014.1547901198. The cubic root of 64226677 is about 400.4716873091.

The spelling of 64226677 in words is "sixty-four million, two hundred twenty-six thousand, six hundred seventy-seven".