2221120343 has 8 divisors (see below), whose sum is σ = 2437108128. Its totient is φ = 2011580064.

The previous prime is 2221120301. The next prime is 2221120393. The reversal of 2221120343 is 3430211222.

2221120343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2221120343 - 2⁸ = 2221120087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221120393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1611155 + ... + 1612532.

It is an arithmetic number, because the mean of its divisors is an integer number (304638516).

Almost surely, 2^2221120343 is an apocalyptic number.

2221120343 is a deficient number, since it is larger than the sum of its proper divisors (215987785).

2221120343 is a wasteful number, since it uses less digits than its factorization.

2221120343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3223753.

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

The square root of 2221120343 is about 47128.7634359316. The cubic root of 2221120343 is about 1304.7401591653.

Adding to 2221120343 its reverse (3430211222), we get a palindrome (5651331565).

The spelling of 2221120343 in words is "two billion, two hundred twenty-one million, one hundred twenty thousand, three hundred forty-three".