2247779969 has 4 divisors (see below), whose sum is σ = 2276232960. Its totient is φ = 2219326980.

The previous prime is 2247779953. The next prime is 2247780019. The reversal of 2247779969 is 9699777422.

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: 9699777422 = 2 ⋅4849888711.

It is a cyclic number.

It is not a de Polignac number, because 2247779969 - 2⁴ = 2247779953 is a prime.

It is a super-2 number, since 2×2247779969² = 10105029578075281922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2247779909) 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, 14226377 + ... + 14226534.

It is an arithmetic number, because the mean of its divisors is an integer number (569058240).

Almost surely, 2^2247779969 is an apocalyptic number.

It is an amenable number.

2247779969 is a deficient number, since it is larger than the sum of its proper divisors (28452991).

2247779969 is an equidigital number, since it uses as much as digits as its factorization.

2247779969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28452990.

The product of its digits is 24004512, while the sum is 62.

The square root of 2247779969 is about 47410.7579458502. The cubic root of 2247779969 is about 1309.9395829021.

The spelling of 2247779969 in words is "two billion, two hundred forty-seven million, seven hundred seventy-nine thousand, nine hundred sixty-nine".