22094028 has 36 divisors (see below), whose sum is σ = 60927048. Its totient is φ = 6695040.

The previous prime is 22094011. The next prime is 22094071. The reversal of 22094028 is 82049022.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 22093992 and 22094010.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27501 + ... + 28292.

It is an arithmetic number, because the mean of its divisors is an integer number (1692418).

Almost surely, 2^22094028 is an apocalyptic number.

It is an amenable number.

22094028 is an abundant number, since it is smaller than the sum of its proper divisors (38833020).

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

22094028 is a wasteful number, since it uses less digits than its factorization.

22094028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55814 (or 55809 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 22094028 is about 4700.4284911059. The cubic root of 22094028 is about 280.6025628925.

The spelling of 22094028 in words is "twenty-two million, ninety-four thousand, twenty-eight".