22727466 has 40 divisors (see below), whose sum is σ = 51226560. Its totient is φ = 7531272.

The previous prime is 22727437. The next prime is 22727479. The reversal of 22727466 is 66472722.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22727466.

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 19 ways as a sum of consecutive naturals, for example, 38425 + ... + 39011.

It is an arithmetic number, because the mean of its divisors is an integer number (1280664).

Almost surely, 2^22727466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22727466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25613280).

22727466 is an abundant number, since it is smaller than the sum of its proper divisors (28499094).

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

22727466 is a wasteful number, since it uses less digits than its factorization.

22727466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840 (or 831 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 22727466 is about 4767.3332167995. Note that the first 3 decimals coincide. The cubic root of 22727466 is about 283.2589704116.

The spelling of 22727466 in words is "twenty-two million, seven hundred twenty-seven thousand, four hundred sixty-six".