22026228 has 24 divisors (see below), whose sum is σ = 58736832. Its totient is φ = 6293184.

The previous prime is 22026197. The next prime is 22026233. The reversal of 22026228 is 82262022.

It is a junction number, because it is equal to n+sod(n) for n = 22026198 and 22026207.

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, 131025 + ... + 131192.

It is an arithmetic number, because the mean of its divisors is an integer number (2447368).

Almost surely, 2^22026228 is an apocalyptic number.

22026228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22026228 is an abundant number, since it is smaller than the sum of its proper divisors (36710604).

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

22026228 is a wasteful number, since it uses less digits than its factorization.

22026228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262231 (or 262229 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 22026228 is about 4693.2108412046. The cubic root of 22026228 is about 280.3152401893.

The spelling of 22026228 in words is "twenty-two million, twenty-six thousand, two hundred twenty-eight".