2235531 has 16 divisors (see below), whose sum is σ = 3144960. Its totient is φ = 1409760.

The previous prime is 2235511. The next prime is 2235539. The reversal of 2235531 is 1355322.

It is not a de Polignac number, because 2235531 - 2⁷ = 2235403 is a prime.

It is a super-2 number, since 2×2235531² = 9995197703922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2235498 and 2235507.

It is not an unprimeable number, because it can be changed into a prime (2235539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12261 + ... + 12441.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

2^2235531 is an apocalyptic number.

2235531 is a deficient number, since it is larger than the sum of its proper divisors (909429).

2235531 is a wasteful number, since it uses less digits than its factorization.

2235531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386.

The product of its digits is 900, while the sum is 21.

The square root of 2235531 is about 1495.1692211920. The cubic root of 2235531 is about 130.7555802183.

It can be divided in two parts, 22 and 35531, that added together give a palindrome (35553).

The spelling of 2235531 in words is "two million, two hundred thirty-five thousand, five hundred thirty-one".