22182148 has 12 divisors (see below), whose sum is σ = 39765852. Its totient is φ = 10820480.

The previous prime is 22182137. The next prime is 22182169. The reversal of 22182148 is 84128122.

It can be written as a sum of positive squares in 2 ways, for example, as 6563844 + 15618304 = 2562^2 + 3952^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67465 + ... + 67792.

It is an arithmetic number, because the mean of its divisors is an integer number (3313821).

Almost surely, 2^22182148 is an apocalyptic number.

It is an amenable number.

22182148 is a deficient number, since it is larger than the sum of its proper divisors (17583704).

22182148 is a wasteful number, since it uses less digits than its factorization.

22182148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135302 (or 135300 counting only the distinct ones).

The product of its digits is 2048, while the sum is 28.

The square root of 22182148 is about 4709.7927767578. The cubic root of 22182148 is about 280.9751205372.

It can be divided in two parts, 221 and 82148, that added together give a square (82369 = 287²).

The spelling of 22182148 in words is "twenty-two million, one hundred eighty-two thousand, one hundred forty-eight".