2247147349 has 4 divisors (see below), whose sum is σ = 2247288064. Its totient is φ = 2247006636.

The previous prime is 2247147317. The next prime is 2247147367. The reversal of 2247147349 is 9437417422.

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.

It is a cyclic number.

It is not a de Polignac number, because 2247147349 - 2⁵ = 2247147317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2247147949) 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, 42807 + ... + 79540.

It is an arithmetic number, because the mean of its divisors is an integer number (561822016).

Almost surely, 2^2247147349 is an apocalyptic number.

It is an amenable number.

2247147349 is a deficient number, since it is larger than the sum of its proper divisors (140715).

2247147349 is a wasteful number, since it uses less digits than its factorization.

2247147349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140714.

The product of its digits is 338688, while the sum is 43.

The square root of 2247147349 is about 47404.0857838225. The cubic root of 2247147349 is about 1309.8166806392.

The spelling of 2247147349 in words is "two billion, two hundred forty-seven million, one hundred forty-seven thousand, three hundred forty-nine".