22741228 has 12 divisors (see below), whose sum is σ = 41081152. Its totient is φ = 11003760.

The previous prime is 22741219. The next prime is 22741231. The reversal of 22741228 is 82214722.

It is a junction number, because it is equal to n+sod(n) for n = 22741196 and 22741205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91575 + ... + 91822.

Almost surely, 2^22741228 is an apocalyptic number.

It is an amenable number.

22741228 is a deficient number, since it is larger than the sum of its proper divisors (18339924).

22741228 is a wasteful number, since it uses less digits than its factorization.

22741228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183432 (or 183430 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 22741228 is about 4768.7763629678. The cubic root of 22741228 is about 283.3161321353.

The spelling of 22741228 in words is "twenty-two million, seven hundred forty-one thousand, two hundred twenty-eight".