122244999 has 4 divisors (see below), whose sum is σ = 162993336. Its totient is φ = 81496664.

The previous prime is 122244989. The next prime is 122245033. The reversal of 122244999 is 999442221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122244999 - 2¹² = 122240903 is a prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 122244999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122244989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20374164 + ... + 20374169.

It is an arithmetic number, because the mean of its divisors is an integer number (40748334).

Almost surely, 2^122244999 is an apocalyptic number.

122244999 is a deficient number, since it is larger than the sum of its proper divisors (40748337).

122244999 is an equidigital number, since it uses as much as digits as its factorization.

122244999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40748336.

The product of its digits is 93312, while the sum is 42.

The square root of 122244999 is about 11056.4460383977. The cubic root of 122244999 is about 496.2993431849.

The spelling of 122244999 in words is "one hundred twenty-two million, two hundred forty-four thousand, nine hundred ninety-nine".