1121222422 has 4 divisors (see below), whose sum is σ = 1681833636. Its totient is φ = 560611210.

The previous prime is 1121222413. The next prime is 1121222461. The reversal of 1121222422 is 2242221211.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1121222422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280305604 + ... + 280305607.

It is an arithmetic number, because the mean of its divisors is an integer number (420458409).

Almost surely, 2^1121222422 is an apocalyptic number.

1121222422 is a deficient number, since it is larger than the sum of its proper divisors (560611214).

1121222422 is an equidigital number, since it uses as much as digits as its factorization.

1121222422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560611213.

The product of its digits is 256, while the sum is 19.

The square root of 1121222422 is about 33484.6595025244. The cubic root of 1121222422 is about 1038.8765055566.

Adding to 1121222422 its reverse (2242221211), we get a palindrome (3363443633).

The spelling of 1121222422 in words is "one billion, one hundred twenty-one million, two hundred twenty-two thousand, four hundred twenty-two".