1144195227 has 30 divisors (see below), whose sum is σ = 1988294748. Its totient is φ = 653823576.

The previous prime is 1144195207. The next prime is 1144195243. The reversal of 1144195227 is 7225914411.

1144195227 is a `hidden beast` number, since 1 + 14 + 419 + 5 + 227 = 666.

It is not a de Polignac number, because 1144195227 - 2⁶ = 1144195163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1144195191 and 1144195200.

It is not an unprimeable number, because it can be changed into a prime (1144195207) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 140173 + ... + 148110.

Almost surely, 2^1144195227 is an apocalyptic number.

1144195227 is a deficient number, since it is larger than the sum of its proper divisors (844099521).

1144195227 is an equidigital number, since it uses as much as digits as its factorization.

1144195227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288309 (or 288293 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 1144195227 is about 33825.9549310881. The cubic root of 1144195227 is about 1045.9237962514.

The spelling of 1144195227 in words is "one billion, one hundred forty-four million, one hundred ninety-five thousand, two hundred twenty-seven".