2232261531 has 32 divisors (see below), whose sum is σ = 3484448000. Its totient is φ = 1408497984.

The previous prime is 2232261433. The next prime is 2232261533. The reversal of 2232261531 is 1351622322.

It is a happy number.

2232261531 is a `hidden beast` number, since 2 + 23 + 22 + 615 + 3 + 1 = 666.

2232261531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2232261531 - 2¹¹ = 2232259483 is a prime.

It is a super-3 number, since 3×2232261531³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2232261495 and 2232261504.

It is not an unprimeable number, because it can be changed into a prime (2232261533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1067535 + ... + 1069623.

It is an arithmetic number, because the mean of its divisors is an integer number (108889000).

Almost surely, 2^2232261531 is an apocalyptic number.

2232261531 is a deficient number, since it is larger than the sum of its proper divisors (1252186469).

2232261531 is a wasteful number, since it uses less digits than its factorization.

2232261531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200 (or 4194 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2232261531 is about 47246.8150355132. The cubic root of 2232261531 is about 1306.9180567689.

Adding to 2232261531 its reverse (1351622322), we get a palindrome (3583883853).

The spelling of 2232261531 in words is "two billion, two hundred thirty-two million, two hundred sixty-one thousand, five hundred thirty-one".