22148288 has 28 divisors (see below), whose sum is σ = 44147232. Its totient is φ = 11024640.

The previous prime is 22148267. The next prime is 22148293. The reversal of 22148288 is 88284122.

It is a super-2 number, since 2×22148288² = 981093322661888, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 16706 + ... + 17982.

Almost surely, 2^22148288 is an apocalyptic number.

It is an amenable number.

22148288 is a deficient number, since it is larger than the sum of its proper divisors (21998944).

22148288 is a wasteful number, since it uses less digits than its factorization.

22148288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560 (or 1550 counting only the distinct ones).

The product of its digits is 16384, while the sum is 35.

The square root of 22148288 is about 4706.1967659672. The cubic root of 22148288 is about 280.8320826539.

The spelling of 22148288 in words is "twenty-two million, one hundred forty-eight thousand, two hundred eighty-eight".