2221434433 has 4 divisors (see below), whose sum is σ = 2222019328. Its totient is φ = 2220849540.

The previous prime is 2221434409. The next prime is 2221434437. The reversal of 2221434433 is 3344341222.

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 2221434433 - 2²⁹ = 1684563521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221434437) 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, 286713 + ... + 294358.

It is an arithmetic number, because the mean of its divisors is an integer number (555504832).

Almost surely, 2^2221434433 is an apocalyptic number.

It is an amenable number.

2221434433 is a deficient number, since it is larger than the sum of its proper divisors (584895).

2221434433 is an equidigital number, since it uses as much as digits as its factorization.

2221434433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584894.

The product of its digits is 13824, while the sum is 28.

The square root of 2221434433 is about 47132.0955719136. The cubic root of 2221434433 is about 1304.8016576372.

Adding to 2221434433 its reverse (3344341222), we get a palindrome (5565775655).

It can be divided in two parts, 222143 and 4433, that added together give a square (226576 = 476²).

The spelling of 2221434433 in words is "two billion, two hundred twenty-one million, four hundred thirty-four thousand, four hundred thirty-three".