2231232455 has 4 divisors (see below), whose sum is σ = 2677478952. Its totient is φ = 1784985960.

The previous prime is 2231232433. The next prime is 2231232469. The reversal of 2231232455 is 5542321322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5542321322 = 2 ⋅2771160661.

It is not a de Polignac number, because 2231232455 - 2¹⁸ = 2230970311 is a prime.

It is a super-3 number, since 3×2231232455³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223123241 + ... + 223123250.

It is an arithmetic number, because the mean of its divisors is an integer number (669369738).

Almost surely, 2^2231232455 is an apocalyptic number.

2231232455 is a deficient number, since it is larger than the sum of its proper divisors (446246497).

2231232455 is an equidigital number, since it uses as much as digits as its factorization.

2231232455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446246496.

The product of its digits is 14400, while the sum is 29.

The square root of 2231232455 is about 47235.9233528890. The cubic root of 2231232455 is about 1306.7171954884.

Adding to 2231232455 its reverse (5542321322), we get a palindrome (7773553777).

The spelling of 2231232455 in words is "two billion, two hundred thirty-one million, two hundred thirty-two thousand, four hundred fifty-five".