22660855 has 8 divisors (see below), whose sum is σ = 31077792. Its totient is φ = 15538848.

The previous prime is 22660853. The next prime is 22660873. The reversal of 22660855 is 55806622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22660855 - 2¹ = 22660853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22660855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22660853) 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, 323692 + ... + 323761.

It is an arithmetic number, because the mean of its divisors is an integer number (3884724).

Almost surely, 2^22660855 is an apocalyptic number.

22660855 is a deficient number, since it is larger than the sum of its proper divisors (8416937).

22660855 is an equidigital number, since it uses as much as digits as its factorization.

22660855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647465.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 22660855 is about 4760.3418994858. The cubic root of 22660855 is about 282.9819689095.

The spelling of 22660855 in words is "twenty-two million, six hundred sixty thousand, eight hundred fifty-five".