22055670 has 96 divisors (see below), whose sum is σ = 70604352. Its totient is φ = 4651776.

The previous prime is 22055669. The next prime is 22055687. The reversal of 22055670 is 7655022.

It is a super-4 number, since 4×22055670⁴ (a number of 30 digits) contains 4444 as substring.

It is a Curzon number.

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, 6844 + ... + 9536.

It is an arithmetic number, because the mean of its divisors is an integer number (735462).

Almost surely, 2^22055670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22055670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35302176).

22055670 is an abundant number, since it is smaller than the sum of its proper divisors (48548682).

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

22055670 is a wasteful number, since it uses less digits than its factorization.

22055670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726 (or 2723 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 22055670 is about 4696.3464522967. The cubic root of 22055670 is about 280.4400817616.

It can be divided in two parts, 2205 and 5670, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 22055670 in words is "twenty-two million, fifty-five thousand, six hundred seventy".