2270121 has 12 divisors (see below), whose sum is σ = 3521232. Its totient is φ = 1297128.

The previous prime is 2270117. The next prime is 2270131. The reversal of 2270121 is 1210722.

It is not a de Polignac number, because 2270121 - 2² = 2270117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2270121.

It is not an unprimeable number, because it can be changed into a prime (2270111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7575 + ... + 7868.

It is an arithmetic number, because the mean of its divisors is an integer number (293436).

2^2270121 is an apocalyptic number.

2270121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2270121 is a deficient number, since it is larger than the sum of its proper divisors (1251111).

2270121 is a wasteful number, since it uses less digits than its factorization.

2270121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15460 (or 15453 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 2270121 is about 1506.6920720572. The cubic root of 2270121 is about 131.4265180501.

Adding to 2270121 its reverse (1210722), we get a palindrome (3480843).

It can be divided in two parts, 22701 and 21, that added together give a palindrome (22722).

The spelling of 2270121 in words is "two million, two hundred seventy thousand, one hundred twenty-one".