2152227 has 30 divisors (see below), whose sum is σ = 3671940. Its totient is φ = 1118040.

The previous prime is 2152219. The next prime is 2152229. The reversal of 2152227 is 7222512.

It is a happy number.

It is not a de Polignac number, because 2152227 - 2³ = 2152219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2152229) 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, 195652 + ... + 195662.

It is an arithmetic number, because the mean of its divisors is an integer number (122398).

2^2152227 is an apocalyptic number.

2152227 is a deficient number, since it is larger than the sum of its proper divisors (1519713).

2152227 is an frugal number, since it uses more digits than its factorization.

2152227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 21 counting only the distinct ones).

The product of its digits is 560, while the sum is 21.

The square root of 2152227 is about 1467.0470340108. The cubic root of 2152227 is about 129.1108355773.

Adding to 2152227 its reverse (7222512), we get a palindrome (9374739).

It can be divided in two parts, 215 and 2227, that added together give a palindrome (2442).

The spelling of 2152227 in words is "two million, one hundred fifty-two thousand, two hundred twenty-seven".