22145876 has 12 divisors (see below), whose sum is σ = 39155508. Its totient is φ = 10958592.

The previous prime is 22145843. The next prime is 22145899. The reversal of 22145876 is 67854122.

It can be written as a sum of positive squares in 2 ways, for example, as 7507600 + 14638276 = 2740^2 + 3826^2 .

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 3 ways as a sum of consecutive naturals, for example, 28151 + ... + 28926.

It is an arithmetic number, because the mean of its divisors is an integer number (3262959).

Almost surely, 2^22145876 is an apocalyptic number.

It is an amenable number.

22145876 is a deficient number, since it is larger than the sum of its proper divisors (17009632).

22145876 is a wasteful number, since it uses less digits than its factorization.

22145876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57178 (or 57176 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 22145876 is about 4705.9405011113. The cubic root of 22145876 is about 280.8218878618.

Adding to 22145876 its reverse (67854122), we get a palindrome (89999998).

The spelling of 22145876 in words is "twenty-two million, one hundred forty-five thousand, eight hundred seventy-six".