64022616 has 192 divisors, whose sum is σ = 216691200. Its totient is φ = 17430336.

The previous prime is 64022597. The next prime is 64022653. The reversal of 64022616 is 61622046.

It is a happy number.

64022616 is a `hidden beast` number, since 6 + 40 + 2 + 2 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 64022616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 243301 + ... + 243563.

It is an arithmetic number, because the mean of its divisors is an integer number (1128600).

Almost surely, 2^64022616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64022616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108345600).

64022616 is an abundant number, since it is smaller than the sum of its proper divisors (152668584).

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

64022616 is a wasteful number, since it uses less digits than its factorization.

64022616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 64022616 is about 8001.4133751482. The cubic root of 64022616 is about 400.0471111178.

The spelling of 64022616 in words is "sixty-four million, twenty-two thousand, six hundred sixteen".