1222244043 has 4 divisors (see below), whose sum is σ = 1629658728. Its totient is φ = 814829360.

The previous prime is 1222244039. The next prime is 1222244117. The reversal of 1222244043 is 3404422221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1222244043 - 2² = 1222244039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222244033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203707338 + ... + 203707343.

It is an arithmetic number, because the mean of its divisors is an integer number (407414682).

Almost surely, 2^1222244043 is an apocalyptic number.

1222244043 is a deficient number, since it is larger than the sum of its proper divisors (407414685).

1222244043 is an equidigital number, since it uses as much as digits as its factorization.

1222244043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407414684.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1222244043 is about 34960.6070170413. The cubic root of 1222244043 is about 1069.1844727693.

Adding to 1222244043 its reverse (3404422221), we get a palindrome (4626666264).

It can be divided in two parts, 12222 and 44043, that added together give a palindrome (56265).

The spelling of 1222244043 in words is "one billion, two hundred twenty-two million, two hundred forty-four thousand, forty-three".