12222495 has 40 divisors (see below), whose sum is σ = 22198176. Its totient is φ = 6433344.

The previous prime is 12222461. The next prime is 12222517. The reversal of 12222495 is 59422221.

It is a happy number.

It is not a de Polignac number, because 12222495 - 2⁷ = 12222367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 39 ways as a sum of consecutive naturals, for example, 41569 + ... + 41861.

Almost surely, 2^12222495 is an apocalyptic number.

12222495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12222495 is a deficient number, since it is larger than the sum of its proper divisors (9975681).

12222495 is a wasteful number, since it uses less digits than its factorization.

12222495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 404 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 12222495 is about 3496.0685061938. The cubic root of 12222495 is about 230.3491546330.

The spelling of 12222495 in words is "twelve million, two hundred twenty-two thousand, four hundred ninety-five".