22235012 has 6 divisors (see below), whose sum is σ = 38911278. Its totient is φ = 11117504.

The previous prime is 22235011. The next prime is 22235021. The reversal of 22235012 is 21053222.

It can be written as a sum of positive squares in only one way, i.e., 14032516 + 8202496 = 3746^2 + 2864^2 .

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (22235011) 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, 2779373 + ... + 2779380.

It is an arithmetic number, because the mean of its divisors is an integer number (6485213).

Almost surely, 2^22235012 is an apocalyptic number.

It is an amenable number.

22235012 is a deficient number, since it is larger than the sum of its proper divisors (16676266).

22235012 is a wasteful number, since it uses less digits than its factorization.

22235012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5558757 (or 5558755 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 22235012 is about 4715.4015735672. The cubic root of 22235012 is about 281.1981480048.

Adding to 22235012 its reverse (21053222), we get a palindrome (43288234).

The spelling of 22235012 in words is "twenty-two million, two hundred thirty-five thousand, twelve".