22812869 has 8 divisors (see below), whose sum is σ = 23605248. Its totient is φ = 22024080.

The previous prime is 22812859. The next prime is 22812877. The reversal of 22812869 is 96821822.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22812869 is a prime.

It is a super-2 number, since 2×22812869² = 1040853984022322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22812809) 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 in 7 ways as a sum of consecutive naturals, for example, 20444 + ... + 21530.

It is an arithmetic number, because the mean of its divisors is an integer number (2950656).

Almost surely, 2^22812869 is an apocalyptic number.

It is an amenable number.

22812869 is a deficient number, since it is larger than the sum of its proper divisors (792379).

22812869 is a wasteful number, since it uses less digits than its factorization.

22812869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795.

The product of its digits is 27648, while the sum is 38.

The square root of 22812869 is about 4776.2819221650. The cubic root of 22812869 is about 283.6133276740.

The spelling of 22812869 in words is "twenty-two million, eight hundred twelve thousand, eight hundred sixty-nine".