22103012 has 6 divisors (see below), whose sum is σ = 38680278. Its totient is φ = 11051504.

The previous prime is 22102987. The next prime is 22103021. The reversal of 22103012 is 21030122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13957696 + 8145316 = 3736^2 + 2854^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22102984 and 22103002.

It is an unprimeable number.

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, 2762873 + ... + 2762880.

It is an arithmetic number, because the mean of its divisors is an integer number (6446713).

Almost surely, 2^22103012 is an apocalyptic number.

It is an amenable number.

22103012 is a deficient number, since it is larger than the sum of its proper divisors (16577266).

22103012 is a wasteful number, since it uses less digits than its factorization.

22103012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525757 (or 5525755 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 22103012 is about 4701.3840515321. The cubic root of 22103012 is about 280.6405911447.

Adding to 22103012 its reverse (21030122), we get a palindrome (43133134).

It can be divided in two parts, 2 and 2103012, that multiplied together give a palindrome (4206024).

The spelling of 22103012 in words is "twenty-two million, one hundred three thousand, twelve".