22771116 has 36 divisors (see below), whose sum is σ = 57790824. Its totient is φ = 7560000.

The previous prime is 22771103. The next prime is 22771121. The reversal of 22771116 is 61117722.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22771116.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8991 + ... + 11241.

Almost surely, 2^22771116 is an apocalyptic number.

It is an amenable number.

22771116 is an abundant number, since it is smaller than the sum of its proper divisors (35019708).

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

22771116 is a wasteful number, since it uses less digits than its factorization.

22771116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542 (or 2537 counting only the distinct ones).

The product of its digits is 1176, while the sum is 27.

The square root of 22771116 is about 4771.9090519414. The cubic root of 22771116 is about 283.4401952926.

Adding to 22771116 its reverse (61117722), we get a palindrome (83888838).

The spelling of 22771116 in words is "twenty-two million, seven hundred seventy-one thousand, one hundred sixteen".