12224690 has 16 divisors (see below), whose sum is σ = 22046040. Its totient is φ = 4880640.

The previous prime is 12224687. The next prime is 12224701. The reversal of 12224690 is 9642221.

It can be written as a sum of positive squares in 4 ways, for example, as 6744409 + 5480281 = 2597^2 + 2341^2 .

It is a super-2 number, since 2×12224690² = 298886091192200, which contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 7466 + ... + 8954.

Almost surely, 2^12224690 is an apocalyptic number.

12224690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12224690 is a deficient number, since it is larger than the sum of its proper divisors (9821350).

12224690 is a wasteful number, since it uses less digits than its factorization.

12224690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 12224690 is about 3496.3824161553. The cubic root of 12224690 is about 230.3629430379.

The spelling of 12224690 in words is "twelve million, two hundred twenty-four thousand, six hundred ninety".