12225398 has 8 divisors (see below), whose sum is σ = 19303320. Its totient is φ = 5790960.

The previous prime is 12225371. The next prime is 12225407. The reversal of 12225398 is 89352221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160823 + ... + 160898.

It is an arithmetic number, because the mean of its divisors is an integer number (2412915).

Almost surely, 2^12225398 is an apocalyptic number.

12225398 is a deficient number, since it is larger than the sum of its proper divisors (7077922).

12225398 is a wasteful number, since it uses less digits than its factorization.

12225398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321742.

The product of its digits is 8640, while the sum is 32.

The square root of 12225398 is about 3496.4836621955. The cubic root of 12225398 is about 230.3673901531.

The spelling of 12225398 in words is "twelve million, two hundred twenty-five thousand, three hundred ninety-eight".