2211147 has 6 divisors (see below), whose sum is σ = 3193892. Its totient is φ = 1474092.

The previous prime is 2211127. The next prime is 2211161. The reversal of 2211147 is 7411122.

It is not a de Polignac number, because 2211147 - 2⁷ = 2211019 is a prime.

It is a super-4 number, since 4×2211147⁴ (a number of 26 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211127) 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, 122833 + ... + 122850.

2^2211147 is an apocalyptic number.

2211147 is a deficient number, since it is larger than the sum of its proper divisors (982745).

2211147 is a wasteful number, since it uses less digits than its factorization.

2211147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245689 (or 245686 counting only the distinct ones).

The product of its digits is 112, while the sum is 18.

The square root of 2211147 is about 1486.9926025371. The cubic root of 2211147 is about 130.2784367431.

Adding to 2211147 its reverse (7411122), we get a palindrome (9622269).

The spelling of 2211147 in words is "two million, two hundred eleven thousand, one hundred forty-seven".