22810012 has 6 divisors (see below), whose sum is σ = 39917528. Its totient is φ = 11405004.

The previous prime is 22810009. The next prime is 22810031. The reversal of 22810012 is 21001822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2851248 + ... + 2851255.

Almost surely, 2^22810012 is an apocalyptic number.

It is an amenable number.

22810012 is a deficient number, since it is larger than the sum of its proper divisors (17107516).

22810012 is a wasteful number, since it uses less digits than its factorization.

22810012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5702507 (or 5702505 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 22810012 is about 4775.9828307899. The cubic root of 22810012 is about 283.6014876156.

Adding to 22810012 its reverse (21001822), we get a palindrome (43811834).

The spelling of 22810012 in words is "twenty-two million, eight hundred ten thousand, twelve".