2152236 has 36 divisors (see below), whose sum is σ = 5194392. Its totient is φ = 693504.

The previous prime is 2152231. The next prime is 2152247. The reversal of 2152236 is 6322512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152231) 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, 22140 + ... + 22236.

2^2152236 is an apocalyptic number.

It is an amenable number.

2152236 is an abundant number, since it is smaller than the sum of its proper divisors (3042156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2152236 is a wasteful number, since it uses less digits than its factorization.

2152236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 145 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 2152236 is about 1467.0501013940. The cubic root of 2152236 is about 129.1110155453. Note that the first 3 decimals are identical.

Adding to 2152236 its reverse (6322512), we get a palindrome (8474748).

The spelling of 2152236 in words is "two million, one hundred fifty-two thousand, two hundred thirty-six".