2153229 has 24 divisors (see below), whose sum is σ = 3232512. Its totient is φ = 1272960.

The previous prime is 2153227. The next prime is 2153243. The reversal of 2153229 is 9223512.

It is not a de Polignac number, because 2153229 - 2¹ = 2153227 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2153199 and 2153208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15649 + ... + 15785.

It is an arithmetic number, because the mean of its divisors is an integer number (134688).

2^2153229 is an apocalyptic number.

It is an amenable number.

2153229 is a deficient number, since it is larger than the sum of its proper divisors (1079283).

2153229 is a wasteful number, since it uses less digits than its factorization.

2153229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 184 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 2153229 is about 1467.3884966157. The cubic root of 2153229 is about 129.1308689328.

The spelling of 2153229 in words is "two million, one hundred fifty-three thousand, two hundred twenty-nine".