2221031234 has 8 divisors (see below), whose sum is σ = 3332415180. Its totient is φ = 1110226176.

The previous prime is 2221031233. The next prime is 2221031237. The reversal of 2221031234 is 4321301222.

It can be written as a sum of positive squares in 2 ways, for example, as 2116276009 + 104755225 = 46003^2 + 10235^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2221031231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134999 + ... + 150554.

Almost surely, 2^2221031234 is an apocalyptic number.

2221031234 is a deficient number, since it is larger than the sum of its proper divisors (1111383946).

2221031234 is a wasteful number, since it uses less digits than its factorization.

2221031234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289444.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2221031234 is about 47127.8180483671. The cubic root of 2221031234 is about 1304.7227106667.

Adding to 2221031234 its reverse (4321301222), we get a palindrome (6542332456).

The spelling of 2221031234 in words is "two billion, two hundred twenty-one million, thirty-one thousand, two hundred thirty-four".