22028850 has 36 divisors (see below), whose sum is σ = 59185386. Its totient is φ = 5874240.

The previous prime is 22028843. The next prime is 22028887. The reversal of 22028850 is 5882022.

22028850 = T₁₃₁₅ + T₁₃₁₆ + ... + T₁₃₃₉.

It can be written as a sum of positive squares in 3 ways, for example, as 15992001 + 6036849 = 3999^2 + 2457^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24027 + ... + 24926.

Almost surely, 2^22028850 is an apocalyptic number.

22028850 is an abundant number, since it is smaller than the sum of its proper divisors (37156536).

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

22028850 is a wasteful number, since it uses less digits than its factorization.

22028850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48971 (or 48963 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 22028850 is about 4693.4901725688. The cubic root of 22028850 is about 280.3263626474.

The spelling of 22028850 in words is "twenty-two million, twenty-eight thousand, eight hundred fifty".