22236128 has 12 divisors (see below), whose sum is σ = 43777440. Its totient is φ = 11118048.

The previous prime is 22236089. The next prime is 22236131. The reversal of 22236128 is 82163222.

It is a junction number, because it is equal to n+sod(n) for n = 22236097 and 22236106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347408 + ... + 347471.

It is an arithmetic number, because the mean of its divisors is an integer number (3648120).

Almost surely, 2^22236128 is an apocalyptic number.

It is an amenable number.

22236128 is a deficient number, since it is larger than the sum of its proper divisors (21541312).

22236128 is an equidigital number, since it uses as much as digits as its factorization.

22236128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694889 (or 694881 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 22236128 is about 4715.5199077090. The cubic root of 22236128 is about 281.2028524754.

The spelling of 22236128 in words is "twenty-two million, two hundred thirty-six thousand, one hundred twenty-eight".