1122021223 has 16 divisors (see below), whose sum is σ = 1201305600. Its totient is φ = 1045628640.

The previous prime is 1122021203. The next prime is 1122021227. The reversal of 1122021223 is 3221202211.

It is a happy number.

It is not a de Polignac number, because 1122021223 - 2¹³ = 1122013031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122021197 and 1122021206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122021227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393240 + ... + 396082.

It is an arithmetic number, because the mean of its divisors is an integer number (75081600).

Almost surely, 2^1122021223 is an apocalyptic number.

1122021223 is a deficient number, since it is larger than the sum of its proper divisors (79284377).

1122021223 is a wasteful number, since it uses less digits than its factorization.

1122021223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1122021223 is about 33496.5852438722. The cubic root of 1122021223 is about 1039.1231585488.

Adding to 1122021223 its reverse (3221202211), we get a palindrome (4343223434).

The spelling of 1122021223 in words is "one billion, one hundred twenty-two million, twenty-one thousand, two hundred twenty-three".