64225905 has 16 divisors (see below), whose sum is σ = 102928320. Its totient is φ = 34198208.

The previous prime is 64225891. The next prime is 64225919. The reversal of 64225905 is 50952246.

It is an interprime number because it is at equal distance from previous prime (64225891) and next prime (64225919).

It is a cyclic number.

It is not a de Polignac number, because 64225905 - 2⁵ = 64225873 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7111 + ... + 13379.

It is an arithmetic number, because the mean of its divisors is an integer number (6433020).

Almost surely, 2^64225905 is an apocalyptic number.

It is an amenable number.

64225905 is a deficient number, since it is larger than the sum of its proper divisors (38702415).

64225905 is a wasteful number, since it uses less digits than its factorization.

64225905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6960.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 64225905 is about 8014.1066251953. The cubic root of 64225905 is about 400.4700827558.

The spelling of 64225905 in words is "sixty-four million, two hundred twenty-five thousand, nine hundred five".