22287048 has 32 divisors (see below), whose sum is σ = 63677760. Its totient is φ = 6367680.

The previous prime is 22286959. The next prime is 22287049. The reversal of 22287048 is 84078222.

It is not an unprimeable number, because it can be changed into a prime (22287049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66163 + ... + 66498.

It is an arithmetic number, because the mean of its divisors is an integer number (1989930).

Almost surely, 2^22287048 is an apocalyptic number.

22287048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22287048 is an abundant number, since it is smaller than the sum of its proper divisors (41390712).

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

22287048 is a wasteful number, since it uses less digits than its factorization.

22287048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132677 (or 132673 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 22287048 is about 4720.9160128094. The cubic root of 22287048 is about 281.4173372580.

The spelling of 22287048 in words is "twenty-two million, two hundred eighty-seven thousand, forty-eight".