64185022 has 16 divisors (see below), whose sum is σ = 105836544. Its totient is φ = 28951000.

The previous prime is 64185007. The next prime is 64185029. The reversal of 64185022 is 22058146.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64185029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8254 + ... + 14017.

It is an arithmetic number, because the mean of its divisors is an integer number (6614784).

Almost surely, 2^64185022 is an apocalyptic number.

64185022 is a deficient number, since it is larger than the sum of its proper divisors (41651522).

64185022 is a wasteful number, since it uses less digits than its factorization.

64185022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22415.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 64185022 is about 8011.5555293588. Note that the first 4 decimals coincide. The cubic root of 64185022 is about 400.3850916421.

The spelling of 64185022 in words is "sixty-four million, one hundred eighty-five thousand, twenty-two".