2031222243 has 8 divisors (see below), whose sum is σ = 2708808448. Its totient is φ = 1353892104.

The previous prime is 2031222187. The next prime is 2031222257. The reversal of 2031222243 is 3422221302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2031222243 - 2¹⁶ = 2031156707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031222283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44671 + ... + 77832.

It is an arithmetic number, because the mean of its divisors is an integer number (338601056).

Almost surely, 2^2031222243 is an apocalyptic number.

2031222243 is a deficient number, since it is larger than the sum of its proper divisors (677586205).

2031222243 is a wasteful number, since it uses less digits than its factorization.

2031222243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128033.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2031222243 is about 45069.0830059809. The cubic root of 2031222243 is about 1266.4434860791.

Adding to 2031222243 its reverse (3422221302), we get a palindrome (5453443545).

The spelling of 2031222243 in words is "two billion, thirty-one million, two hundred twenty-two thousand, two hundred forty-three".