22828771 has 16 divisors (see below), whose sum is σ = 27267840. Its totient is φ = 18698400.

The previous prime is 22828763. The next prime is 22828801. The reversal of 22828771 is 17782822.

It is a happy number.

It is not a de Polignac number, because 22828771 - 2³ = 22828763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22828771.

It is not an unprimeable number, because it can be changed into a prime (22828711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21196 + ... + 22246.

It is an arithmetic number, because the mean of its divisors is an integer number (1704240).

Almost surely, 2^22828771 is an apocalyptic number.

22828771 is a deficient number, since it is larger than the sum of its proper divisors (4439069).

22828771 is a wasteful number, since it uses less digits than its factorization.

22828771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194.

The product of its digits is 25088, while the sum is 37.

The square root of 22828771 is about 4777.9463161488. The cubic root of 22828771 is about 283.6792111251.

The spelling of 22828771 in words is "twenty-two million, eight hundred twenty-eight thousand, seven hundred seventy-one".