22287848 has 32 divisors (see below), whose sum is σ = 45826560. Its totient is φ = 10078080.

The previous prime is 22287847. The next prime is 22287857. The reversal of 22287848 is 84878222.

It is a super-2 number, since 2×22287848² = 993496336942208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22287847) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19961 + ... + 21047.

It is an arithmetic number, because the mean of its divisors is an integer number (1432080).

Almost surely, 2^22287848 is an apocalyptic number.

It is an amenable number.

22287848 is an abundant number, since it is smaller than the sum of its proper divisors (23538712).

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

22287848 is a wasteful number, since it uses less digits than its factorization.

22287848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337 (or 1333 counting only the distinct ones).

The product of its digits is 114688, while the sum is 41.

The square root of 22287848 is about 4721.0007413683. Note that the first 3 decimals coincide. The cubic root of 22287848 is about 281.4207044031.

The spelling of 22287848 in words is "twenty-two million, two hundred eighty-seven thousand, eight hundred forty-eight".