2245122449 has 4 divisors (see below), whose sum is σ = 2258566464. Its totient is φ = 2231678436.

The previous prime is 2245122427. The next prime is 2245122499. The reversal of 2245122449 is 9442215422.

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: 9442215422 = 2 ⋅4721107711.

It is a cyclic number.

It is not a de Polignac number, because 2245122449 - 2⁸ = 2245122193 is a prime.

It is a super-2 number, since 2×2245122449² = 10081149622007515202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2245122419) 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, 6721757 + ... + 6722090.

It is an arithmetic number, because the mean of its divisors is an integer number (564641616).

Almost surely, 2^2245122449 is an apocalyptic number.

It is an amenable number.

2245122449 is a deficient number, since it is larger than the sum of its proper divisors (13444015).

2245122449 is a wasteful number, since it uses less digits than its factorization.

2245122449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13444014.

The product of its digits is 46080, while the sum is 35.

The square root of 2245122449 is about 47382.7231066346. The cubic root of 2245122449 is about 1309.4231380080.

The spelling of 2245122449 in words is "two billion, two hundred forty-five million, one hundred twenty-two thousand, four hundred forty-nine".