22243662 has 24 divisors (see below), whose sum is σ = 55079856. Its totient is φ = 6355296.

The previous prime is 22243657. The next prime is 22243673. The reversal of 22243662 is 26634222.

22243662 is a `hidden beast` number, since 222 + 436 + 6 + 2 = 666.

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 11 ways as a sum of consecutive naturals, for example, 88143 + ... + 88394.

It is an arithmetic number, because the mean of its divisors is an integer number (2294994).

Almost surely, 2^22243662 is an apocalyptic number.

22243662 is an abundant number, since it is smaller than the sum of its proper divisors (32836194).

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

22243662 is a wasteful number, since it uses less digits than its factorization.

22243662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176552 (or 176549 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 22243662 is about 4716.3186915220. The cubic root of 22243662 is about 281.2346077502.

Adding to 22243662 its reverse (26634222), we get a palindrome (48877884).

It can be divided in two parts, 2224 and 3662, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 22243662 in words is "twenty-two million, two hundred forty-three thousand, six hundred sixty-two".