22055646 has 16 divisors (see below), whose sum is σ = 45137664. Its totient is φ = 7180824.

The previous prime is 22055633. The next prime is 22055651. The reversal of 22055646 is 64655022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42486 + ... + 43001.

It is an arithmetic number, because the mean of its divisors is an integer number (2821104).

Almost surely, 2^22055646 is an apocalyptic number.

22055646 is an abundant number, since it is smaller than the sum of its proper divisors (23082018).

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

22055646 is a wasteful number, since it uses less digits than its factorization.

22055646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85535.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 22055646 is about 4696.3438971183. The cubic root of 22055646 is about 280.4399800407.

The spelling of 22055646 in words is "twenty-two million, fifty-five thousand, six hundred forty-six".