2232142849 has 4 divisors (see below), whose sum is σ = 2235164080. Its totient is φ = 2229121620.

The previous prime is 2232142813. The next prime is 2232142897. The reversal of 2232142849 is 9482412322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2232142849 - 2⁹ = 2232142337 is a prime.

It is a super-3 number, since 3×2232142849³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2232142349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1509507 + ... + 1510984.

It is an arithmetic number, because the mean of its divisors is an integer number (558791020).

Almost surely, 2^2232142849 is an apocalyptic number.

It is an amenable number.

2232142849 is a deficient number, since it is larger than the sum of its proper divisors (3021231).

2232142849 is an equidigital number, since it uses as much as digits as its factorization.

2232142849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021230.

The product of its digits is 55296, while the sum is 37.

The square root of 2232142849 is about 47245.5590399775. The cubic root of 2232142849 is about 1306.8948948476.

The spelling of 2232142849 in words is "two billion, two hundred thirty-two million, one hundred forty-two thousand, eight hundred forty-nine".