64522044 has 18 divisors (see below), whose sum is σ = 163097480. Its totient is φ = 21507336.

The previous prime is 64522027. The next prime is 64522049. The reversal of 64522044 is 44022546.

64522044 is a `hidden beast` number, since 6 + 452 + 204 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 64521999 and 64522017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64522049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 896104 + ... + 896175.

Almost surely, 2^64522044 is an apocalyptic number.

It is an amenable number.

64522044 is an abundant number, since it is smaller than the sum of its proper divisors (98575436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64522044 is a wasteful number, since it uses less digits than its factorization.

64522044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792289 (or 1792284 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 64522044 is about 8032.5614843585. The cubic root of 64522044 is about 401.0846478558.

The spelling of 64522044 in words is "sixty-four million, five hundred twenty-two thousand, forty-four".