22406886 has 24 divisors (see below), whose sum is σ = 49346544. Its totient is φ = 7346160.

The previous prime is 22406861. The next prime is 22406887. The reversal of 22406886 is 68860422.

It is a self number, because there is not a number n which added to its sum of digits gives 22406886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22406887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9106 + ... + 11301.

It is an arithmetic number, because the mean of its divisors is an integer number (2056106).

Almost surely, 2^22406886 is an apocalyptic number.

22406886 is an abundant number, since it is smaller than the sum of its proper divisors (26939658).

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

22406886 is a wasteful number, since it uses less digits than its factorization.

22406886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20476 (or 20473 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 22406886 is about 4733.5912371053. The cubic root of 22406886 is about 281.9208318584.

The spelling of 22406886 in words is "twenty-two million, four hundred six thousand, eight hundred eighty-six".