12222434 has 16 divisors (see below), whose sum is σ = 22056000. Its totient is φ = 4962384.

The previous prime is 12222433. The next prime is 12222461. The reversal of 12222434 is 43422221.

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12222433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22709 + ... + 23240.

It is an arithmetic number, because the mean of its divisors is an integer number (1378500).

Almost surely, 2^12222434 is an apocalyptic number.

12222434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12222434 is a deficient number, since it is larger than the sum of its proper divisors (9833566).

12222434 is a wasteful number, since it uses less digits than its factorization.

12222434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45977.

The product of its digits is 768, while the sum is 20.

The square root of 12222434 is about 3496.0597820976. The cubic root of 12222434 is about 230.3487714237.

Adding to 12222434 its reverse (43422221), we get a palindrome (55644655).

The spelling of 12222434 in words is "twelve million, two hundred twenty-two thousand, four hundred thirty-four".