64227575 has 6 divisors (see below), whose sum is σ = 79642224. Its totient is φ = 51382040.

The previous prime is 64227563. The next prime is 64227587. The reversal of 64227575 is 57572246.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (64227563) and next prime (64227587).

It is not a de Polignac number, because 64227575 - 2¹⁶ = 64162039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1284527 + ... + 1284576.

It is an arithmetic number, because the mean of its divisors is an integer number (13273704).

Almost surely, 2^64227575 is an apocalyptic number.

64227575 is a deficient number, since it is larger than the sum of its proper divisors (15414649).

64227575 is a wasteful number, since it uses less digits than its factorization.

64227575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569113 (or 2569108 counting only the distinct ones).

The product of its digits is 117600, while the sum is 38.

The square root of 64227575 is about 8014.2108157947. The cubic root of 64227575 is about 400.4735537293.

The spelling of 64227575 in words is "sixty-four million, two hundred twenty-seven thousand, five hundred seventy-five".