64227149 has 16 divisors (see below), whose sum is σ = 75209472. Its totient is φ = 53708928.

The previous prime is 64227131. The next prime is 64227151. The reversal of 64227149 is 94172246.

64227149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64227149 - 2⁸ = 64226893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64227749) 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 15 ways as a sum of consecutive naturals, for example, 86072 + ... + 86814.

It is an arithmetic number, because the mean of its divisors is an integer number (4700592).

Almost surely, 2^64227149 is an apocalyptic number.

It is an amenable number.

64227149 is a deficient number, since it is larger than the sum of its proper divisors (10982323).

64227149 is a wasteful number, since it uses less digits than its factorization.

64227149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036.

The product of its digits is 24192, while the sum is 35.

The square root of 64227149 is about 8014.1842379621. The cubic root of 64227149 is about 400.4726683250.

The spelling of 64227149 in words is "sixty-four million, two hundred twenty-seven thousand, one hundred forty-nine".