22280884 has 6 divisors (see below), whose sum is σ = 38991554. Its totient is φ = 11140440.

The previous prime is 22280879. The next prime is 22280887. The reversal of 22280884 is 48808222.

It can be written as a sum of positive squares in only one way, i.e., 16990884 + 5290000 = 4122^2 + 2300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22280887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2785107 + ... + 2785114.

Almost surely, 2^22280884 is an apocalyptic number.

It is an amenable number.

22280884 is a deficient number, since it is larger than the sum of its proper divisors (16710670).

22280884 is a wasteful number, since it uses less digits than its factorization.

22280884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570225 (or 5570223 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 34.

The square root of 22280884 is about 4720.2631282588. The cubic root of 22280884 is about 281.3913907020.

The spelling of 22280884 in words is "twenty-two million, two hundred eighty thousand, eight hundred eighty-four".