12242270 has 16 divisors (see below), whose sum is σ = 23196240. Its totient is φ = 4639104.

The previous prime is 12242267. The next prime is 12242291. The reversal of 12242270 is 7224221.

It is a happy number.

It is a Curzon number.

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, 32027 + ... + 32406.

It is an arithmetic number, because the mean of its divisors is an integer number (1449765).

Almost surely, 2^12242270 is an apocalyptic number.

12242270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12242270 is a deficient number, since it is larger than the sum of its proper divisors (10953970).

12242270 is a wasteful number, since it uses less digits than its factorization.

12242270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64459.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 12242270 is about 3498.8955400240. The cubic root of 12242270 is about 230.4733164105.

Adding to 12242270 its reverse (7224221), we get a palindrome (19466491).

The spelling of 12242270 in words is "twelve million, two hundred forty-two thousand, two hundred seventy".