22867776 has 126 divisors (see below), whose sum is σ = 69688710. Its totient is φ = 7160832.

The previous prime is 22867769. The next prime is 22867777. The reversal of 22867776 is 67776822.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 13133376 + 9734400 = 3624^2 + 3120^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22867777) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 618030 + ... + 618066.

It is an arithmetic number, because the mean of its divisors is an integer number (553085).

Almost surely, 2^22867776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22867776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34844355).

22867776 is an abundant number, since it is smaller than the sum of its proper divisors (46820934).

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

22867776 is a wasteful number, since it uses less digits than its factorization.

22867776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 71 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The square root of 22867776 is about 4782.0263487354. The cubic root of 22867776 is about 283.8406829773.

The spelling of 22867776 in words is "twenty-two million, eight hundred sixty-seven thousand, seven hundred seventy-six".