2243786147 has 6 divisors (see below), whose sum is σ = 2251992708. Its totient is φ = 2235609384.

The previous prime is 2243786143. The next prime is 2243786177. The reversal of 2243786147 is 7416873422.

It is not a de Polignac number, because 2243786147 - 2² = 2243786143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2243786098 and 2243786107.

It is not an unprimeable number, because it can be changed into a prime (2243786141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62108 + ... + 91350.

It is an arithmetic number, because the mean of its divisors is an integer number (375332118).

Almost surely, 2^2243786147 is an apocalyptic number.

2243786147 is a deficient number, since it is larger than the sum of its proper divisors (8206561).

2243786147 is an frugal number, since it uses more digits than its factorization.

2243786147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29797 (or 29520 counting only the distinct ones).

The product of its digits is 451584, while the sum is 44.

The square root of 2243786147 is about 47368.6198553431. The cubic root of 2243786147 is about 1309.1632959027.

The spelling of 2243786147 in words is "two billion, two hundred forty-three million, seven hundred eighty-six thousand, one hundred forty-seven".