22266488 has 8 divisors (see below), whose sum is σ = 41749680. Its totient is φ = 11133240.

The previous prime is 22266479. The next prime is 22266511. The reversal of 22266488 is 88466222.

It is a tau number, because it is divible by the number of its divisors (8).

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, 1391648 + ... + 1391663.

It is an arithmetic number, because the mean of its divisors is an integer number (5218710).

Almost surely, 2^22266488 is an apocalyptic number.

It is an amenable number.

22266488 is a deficient number, since it is larger than the sum of its proper divisors (19483192).

22266488 is a wasteful number, since it uses less digits than its factorization.

22266488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783317 (or 2783313 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 22266488 is about 4718.7379668721. The cubic root of 22266488 is about 281.3307739685.

The spelling of 22266488 in words is "twenty-two million, two hundred sixty-six thousand, four hundred eighty-eight".