22116654 has 48 divisors (see below), whose sum is σ = 55111680. Its totient is φ = 6279120.

The previous prime is 22116641. The next prime is 22116683. The reversal of 22116654 is 45661122.

22116654 is a `hidden beast` number, since 2 + 2 + 1 + 1 + 6 + 654 = 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 23 ways as a sum of consecutive naturals, for example, 23607 + ... + 24525.

It is an arithmetic number, because the mean of its divisors is an integer number (1148160).

Almost surely, 2^22116654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22116654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27555840).

22116654 is an abundant number, since it is smaller than the sum of its proper divisors (32995026).

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

22116654 is a wasteful number, since it uses less digits than its factorization.

22116654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125 (or 1122 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 22116654 is about 4702.8346770857. The cubic root of 22116654 is about 280.6983164834.

Adding to 22116654 its reverse (45661122), we get a palindrome (67777776).

The spelling of 22116654 in words is "twenty-two million, one hundred sixteen thousand, six hundred fifty-four".