64220995 has 8 divisors (see below), whose sum is σ = 79551360. Its totient is φ = 49719360.

The previous prime is 64220977. The next prime is 64221013. The reversal of 64220995 is 59902246.

It is an interprime number because it is at equal distance from previous prime (64220977) and next prime (64221013).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64220995 - 2⁹ = 64220483 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207010 + ... + 207319.

It is an arithmetic number, because the mean of its divisors is an integer number (9943920).

Almost surely, 2^64220995 is an apocalyptic number.

64220995 is a deficient number, since it is larger than the sum of its proper divisors (15330365).

64220995 is a wasteful number, since it uses less digits than its factorization.

64220995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414365.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 64220995 is about 8013.8002845092. The cubic root of 64220995 is about 400.4598773295.

The spelling of 64220995 in words is "sixty-four million, two hundred twenty thousand, nine hundred ninety-five".