22288468 has 6 divisors (see below), whose sum is σ = 39004826. Its totient is φ = 11144232.

The previous prime is 22288451. The next prime is 22288499. The reversal of 22288468 is 86488222.

It can be written as a sum of positive squares in only one way, i.e., 15382084 + 6906384 = 3922^2 + 2628^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22288468.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2786055 + ... + 2786062.

Almost surely, 2^22288468 is an apocalyptic number.

It is an amenable number.

22288468 is a deficient number, since it is larger than the sum of its proper divisors (16716358).

22288468 is a wasteful number, since it uses less digits than its factorization.

22288468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5572121 (or 5572119 counting only the distinct ones).

The product of its digits is 98304, while the sum is 40.

The square root of 22288468 is about 4721.0664049556. The cubic root of 22288468 is about 281.4233138852.

The spelling of 22288468 in words is "twenty-two million, two hundred eighty-eight thousand, four hundred sixty-eight".