2227161 has 16 divisors (see below), whose sum is σ = 3205440. Its totient is φ = 1370880.

The previous prime is 2227129. The next prime is 2227163. The reversal of 2227161 is 1617222.

It is not a de Polignac number, because 2227161 - 2⁵ = 2227129 is a prime.

It is a super-2 number, since 2×2227161² = 9920492239842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2227163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1861 + ... + 2813.

It is an arithmetic number, because the mean of its divisors is an integer number (200340).

2^2227161 is an apocalyptic number.

It is an amenable number.

2227161 is a deficient number, since it is larger than the sum of its proper divisors (978279).

2227161 is a wasteful number, since it uses less digits than its factorization.

2227161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016.

The product of its digits is 336, while the sum is 21.

The square root of 2227161 is about 1492.3675820655. The cubic root of 2227161 is about 130.5921898166.

It can be divided in two parts, 22271 and 61, that multiplied together give a palindrome (1358531).

The spelling of 2227161 in words is "two million, two hundred twenty-seven thousand, one hundred sixty-one".