22771068 has 12 divisors (see below), whose sum is σ = 53132520. Its totient is φ = 7590352.

The previous prime is 22771057. The next prime is 22771069. The reversal of 22771068 is 86017722.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22771069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 948783 + ... + 948806.

It is an arithmetic number, because the mean of its divisors is an integer number (4427710).

Almost surely, 2^22771068 is an apocalyptic number.

It is an amenable number.

22771068 is an abundant number, since it is smaller than the sum of its proper divisors (30361452).

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

22771068 is a wasteful number, since it uses less digits than its factorization.

22771068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897596 (or 1897594 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 22771068 is about 4771.9040225051. The cubic root of 22771068 is about 283.4399961347.

The spelling of 22771068 in words is "twenty-two million, seven hundred seventy-one thousand, sixty-eight".