1123001222 has 16 divisors (see below), whose sum is σ = 1926339840. Its totient is φ = 480987528.

The previous prime is 1123001219. The next prime is 1123001233. The reversal of 1123001222 is 2221003211.

It is a happy number.

It is a super-2 number, since 2×1123001222² = 2522263489226986568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1123001197 and 1123001206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722 + ... + 47397.

It is an arithmetic number, because the mean of its divisors is an integer number (120396240).

Almost surely, 2^1123001222 is an apocalyptic number.

1123001222 is a deficient number, since it is larger than the sum of its proper divisors (803338618).

1123001222 is a wasteful number, since it uses less digits than its factorization.

1123001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49795.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1123001222 is about 33511.2103929416. The cubic root of 1123001222 is about 1039.4256018238.

Adding to 1123001222 its reverse (2221003211), we get a palindrome (3344004433).

The spelling of 1123001222 in words is "one billion, one hundred twenty-three million, one thousand, two hundred twenty-two".