64225887 has 16 divisors (see below), whose sum is σ = 94045440. Its totient is φ = 38664000.

The previous prime is 64225873. The next prime is 64225891. The reversal of 64225887 is 78852246.

It is a happy number.

64225887 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 64225887 - 2¹¹ = 64223839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64225387) 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, 1462 + ... + 11427.

It is an arithmetic number, because the mean of its divisors is an integer number (5877840).

Almost surely, 2^64225887 is an apocalyptic number.

64225887 is a deficient number, since it is larger than the sum of its proper divisors (29819553).

64225887 is a wasteful number, since it uses less digits than its factorization.

64225887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13054.

The product of its digits is 215040, while the sum is 42.

The square root of 64225887 is about 8014.1055021755. The cubic root of 64225887 is about 400.4700453437.

The spelling of 64225887 in words is "sixty-four million, two hundred twenty-five thousand, eight hundred eighty-seven".