6211172 has 36 divisors (see below), whose sum is σ = 12278028. Its totient is φ = 2745600.

The previous prime is 6211159. The next prime is 6211187. The reversal of 6211172 is 2711126.

It can be written as a sum of positive squares in 2 ways, for example, as 139876 + 6071296 = 374^2 + 2464^2 .

It is a super-2 number, since 2×6211172² = 77157315227168, which contains 22 as substring.

It is a Smith number, since the sum of its digits (20) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19688 + ... + 20000.

Almost surely, 2^6211172 is an apocalyptic number.

It is an amenable number.

6211172 is a deficient number, since it is larger than the sum of its proper divisors (6066856).

6211172 is a wasteful number, since it uses less digits than its factorization.

6211172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 367 counting only the distinct ones).

The product of its digits is 168, while the sum is 20.

The square root of 6211172 is about 2492.2223014811. Note that the first 3 decimals coincide. The cubic root of 6211172 is about 183.8193327451.

Adding to 6211172 its reverse (2711126), we get a palindrome (8922298).

The spelling of 6211172 in words is "six million, two hundred eleven thousand, one hundred seventy-two".