22234012 has 24 divisors (see below), whose sum is σ = 39809952. Its totient is φ = 10862400.

The previous prime is 22234007. The next prime is 22234019. The reversal of 22234012 is 21043222.

It is a super-2 number, since 2×22234012² = 988702579232288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22234019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71337 + ... + 71647.

It is an arithmetic number, because the mean of its divisors is an integer number (1658748).

Almost surely, 2^22234012 is an apocalyptic number.

It is an amenable number.

22234012 is a deficient number, since it is larger than the sum of its proper divisors (17575940).

22234012 is a wasteful number, since it uses less digits than its factorization.

22234012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22234012 is about 4715.2955368672. The cubic root of 22234012 is about 281.1939323956.

Adding to 22234012 its reverse (21043222), we get a palindrome (43277234).

The spelling of 22234012 in words is "twenty-two million, two hundred thirty-four thousand, twelve".