36665622 has 120 divisors (see below), whose sum is σ = 99316800. Its totient is φ = 10069920.

The previous prime is 36665581. The next prime is 36665633. The reversal of 36665622 is 22656663.

Its product of digits (77760) is a multiple of the sum of its prime divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 246004 + ... + 246152.

It is an arithmetic number, because the mean of its divisors is an integer number (827640).

Almost surely, 2^36665622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36665622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49658400).

36665622 is an abundant number, since it is smaller than the sum of its proper divisors (62651178).

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

36665622 is a wasteful number, since it uses less digits than its factorization.

36665622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 192 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 36665622 is about 6055.2144470696. The cubic root of 36665622 is about 332.2153427052.

The spelling of 36665622 in words is "thirty-six million, six hundred sixty-five thousand, six hundred twenty-two".