64422146 has 24 divisors (see below), whose sum is σ = 103314096. Its totient is φ = 30121280.

The previous prime is 64422139. The next prime is 64422151. The reversal of 64422146 is 64122446.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130961 + ... + 131451.

It is an arithmetic number, because the mean of its divisors is an integer number (4304754).

Almost surely, 2^64422146 is an apocalyptic number.

64422146 is a deficient number, since it is larger than the sum of its proper divisors (38891950).

64422146 is a wasteful number, since it uses less digits than its factorization.

64422146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 737 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 64422146 is about 8026.3407602718. The cubic root of 64422146 is about 400.8775442158.

The spelling of 64422146 in words is "sixty-four million, four hundred twenty-two thousand, one hundred forty-six".