64546222 has 16 divisors (see below), whose sum is σ = 104474160. Its totient is φ = 29731392.

The previous prime is 64546219. The next prime is 64546231. The reversal of 64546222 is 22264546.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12613 + ... + 16975.

It is an arithmetic number, because the mean of its divisors is an integer number (6529635).

Almost surely, 2^64546222 is an apocalyptic number.

64546222 is a deficient number, since it is larger than the sum of its proper divisors (39927938).

64546222 is a wasteful number, since it uses less digits than its factorization.

64546222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4947.

The product of its digits is 23040, while the sum is 31.

The square root of 64546222 is about 8034.0663427682. The cubic root of 64546222 is about 401.1347403667.

The spelling of 64546222 in words is "sixty-four million, five hundred forty-six thousand, two hundred twenty-two".