122222449 has 4 divisors (see below), whose sum is σ = 122734080. Its totient is φ = 121710820.

The previous prime is 122222447. The next prime is 122222473. The reversal of 122222449 is 944222221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 944222221 = 137 ⋅6892133.

It is a cyclic number.

It is not a de Polignac number, because 122222449 - 2¹ = 122222447 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10 and base 14.

It is not an unprimeable number, because it can be changed into a prime (122222447) 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, 255457 + ... + 255934.

It is an arithmetic number, because the mean of its divisors is an integer number (30683520).

Almost surely, 2^122222449 is an apocalyptic number.

It is an amenable number.

122222449 is a deficient number, since it is larger than the sum of its proper divisors (511631).

122222449 is an equidigital number, since it uses as much as digits as its factorization.

122222449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511630.

The product of its digits is 4608, while the sum is 28.

The square root of 122222449 is about 11055.4262242575. The cubic root of 122222449 is about 496.2688245856.

The spelling of 122222449 in words is "one hundred twenty-two million, two hundred twenty-two thousand, four hundred forty-nine".