13222499 has 8 divisors (see below), whose sum is σ = 13962000. Its totient is φ = 12487392.

The previous prime is 13222483. The next prime is 13222501. The reversal of 13222499 is 99422231.

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

It is a cyclic number.

It is not a de Polignac number, because 13222499 - 2⁴ = 13222483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13222439) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6497 + ... + 8285.

It is an arithmetic number, because the mean of its divisors is an integer number (1745250).

Almost surely, 2^13222499 is an apocalyptic number.

13222499 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13222499 is a deficient number, since it is larger than the sum of its proper divisors (739501).

13222499 is a wasteful number, since it uses less digits than its factorization.

13222499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197.

The product of its digits is 7776, while the sum is 32.

The square root of 13222499 is about 3636.2754296120. The cubic root of 13222499 is about 236.4673481078.

The spelling of 13222499 in words is "thirteen million, two hundred twenty-two thousand, four hundred ninety-nine".