2232621 has 12 divisors (see below), whose sum is σ = 3238560. Its totient is φ = 1482120.

The previous prime is 2232613. The next prime is 2232653. The reversal of 2232621 is 1262322.

It is not a de Polignac number, because 2232621 - 2³ = 2232613 is a prime.

It is a super-3 number, since 3×2232621³ = 33386144665810857183, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2232594 and 2232603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232221) 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, 2886 + ... + 3576.

It is an arithmetic number, because the mean of its divisors is an integer number (269880).

2^2232621 is an apocalyptic number.

It is an amenable number.

2232621 is a deficient number, since it is larger than the sum of its proper divisors (1005939).

2232621 is a wasteful number, since it uses less digits than its factorization.

2232621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1053 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 2232621 is about 1494.1957703059. The cubic root of 2232621 is about 130.6988205555.

Adding to 2232621 its reverse (1262322), we get a palindrome (3494943).

Subtracting from 2232621 its reverse (1262322), we obtain a cube (970299 = 99³).

The spelling of 2232621 in words is "two million, two hundred thirty-two thousand, six hundred twenty-one".