12229450 has 12 divisors (see below), whose sum is σ = 22746870. Its totient is φ = 4891760.

The previous prime is 12229429. The next prime is 12229487. The reversal of 12229450 is 5492221.

It can be written as a sum of positive squares in 3 ways, for example, as 11309769 + 919681 = 3363^2 + 959^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122245 + ... + 122344.

Almost surely, 2^12229450 is an apocalyptic number.

12229450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12229450 is a deficient number, since it is larger than the sum of its proper divisors (10517420).

12229450 is a wasteful number, since it uses less digits than its factorization.

12229450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244601 (or 244596 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 12229450 is about 3497.0630534779. The cubic root of 12229450 is about 230.3928384195.

The spelling of 12229450 in words is "twelve million, two hundred twenty-nine thousand, four hundred fifty".