22266486 has 48 divisors (see below), whose sum is σ = 53172288. Its totient is φ = 6678000.

The previous prime is 22266479. The next prime is 22266511. The reversal of 22266486 is 68466222.

22266486 is a `hidden beast` number, since 2 + 2 + 2 + 6 + 648 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 22266486.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20661 + ... + 21711.

It is an arithmetic number, because the mean of its divisors is an integer number (1107756).

Almost surely, 2^22266486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22266486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26586144).

22266486 is an abundant number, since it is smaller than the sum of its proper divisors (30905802).

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

22266486 is a wasteful number, since it uses less digits than its factorization.

22266486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177 (or 1174 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 22266486 is about 4718.7377549510. The cubic root of 22266486 is about 281.3307655454.

The spelling of 22266486 in words is "twenty-two million, two hundred sixty-six thousand, four hundred eighty-six".