23222012 has 24 divisors (see below), whose sum is σ = 44461872. Its totient is φ = 10524800.

The previous prime is 23221997. The next prime is 23222033. The reversal of 23222012 is 21022232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22418 + ... + 23430.

It is an arithmetic number, because the mean of its divisors is an integer number (1852578).

Almost surely, 2^23222012 is an apocalyptic number.

23222012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23222012 is a deficient number, since it is larger than the sum of its proper divisors (21239860).

23222012 is a wasteful number, since it uses less digits than its factorization.

23222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549 (or 1547 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 23222012 is about 4818.9222861549. The cubic root of 23222012 is about 285.2988022429.

Adding to 23222012 its reverse (21022232), we get a palindrome (44244244).

It can be divided in two parts, 232220 and 12, that added together give a palindrome (232232).

The spelling of 23222012 in words is "twenty-three million, two hundred twenty-two thousand, twelve".