64222927 has 4 divisors (see below), whose sum is σ = 64285200. Its totient is φ = 64160656.

The previous prime is 64222919. The next prime is 64222931. The reversal of 64222927 is 72922246.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64222927 - 2³ = 64222919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64222892 and 64222901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64222967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29563 + ... + 31660.

It is an arithmetic number, because the mean of its divisors is an integer number (16071300).

Almost surely, 2^64222927 is an apocalyptic number.

64222927 is a deficient number, since it is larger than the sum of its proper divisors (62273).

64222927 is a wasteful number, since it uses less digits than its factorization.

64222927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62272.

The product of its digits is 24192, while the sum is 34.

The square root of 64222927 is about 8013.9208256633. The cubic root of 64222927 is about 400.4638930501.

The spelling of 64222927 in words is "sixty-four million, two hundred twenty-two thousand, nine hundred twenty-seven".