22869138 has 8 divisors (see below), whose sum is σ = 45738288. Its totient is φ = 7623044.

The previous prime is 22869137. The next prime is 22869151. The reversal of 22869138 is 83196822.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

22869138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22869096 and 22869105.

It is not an unprimeable number, because it can be changed into a prime (22869137) 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 3 ways as a sum of consecutive naturals, for example, 1905756 + ... + 1905767.

It is an arithmetic number, because the mean of its divisors is an integer number (5717286).

Almost surely, 2^22869138 is an apocalyptic number.

22869138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22869138 is a wasteful number, since it uses less digits than its factorization.

22869138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3811528.

The product of its digits is 41472, while the sum is 39.

The square root of 22869138 is about 4782.1687548643. The cubic root of 22869138 is about 283.8463180295.

The spelling of 22869138 in words is "twenty-two million, eight hundred sixty-nine thousand, one hundred thirty-eight".