22816814 has 4 divisors (see below), whose sum is σ = 34225224. Its totient is φ = 11408406.

The previous prime is 22816811. The next prime is 22816819. The reversal of 22816814 is 41861822.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×22816814² = 1041214002221192, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22816811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5704202 + ... + 5704205.

It is an arithmetic number, because the mean of its divisors is an integer number (8556306).

Almost surely, 2^22816814 is an apocalyptic number.

22816814 is a deficient number, since it is larger than the sum of its proper divisors (11408410).

22816814 is a wasteful number, since it uses less digits than its factorization.

22816814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11408409.

The product of its digits is 6144, while the sum is 32.

The square root of 22816814 is about 4776.6948824475. The cubic root of 22816814 is about 283.6296750273.

The spelling of 22816814 in words is "twenty-two million, eight hundred sixteen thousand, eight hundred fourteen".