11220023022 has 16 divisors (see below), whose sum is σ = 24166203600. Its totient is φ = 3452314752.

The previous prime is 11220022999. The next prime is 11220023057. The reversal of 11220023022 is 22032002211.

It is a happy number.

It is a super-2 number, since 2×11220023022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11220022992 and 11220023010.

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, 71923147 + ... + 71923302.

It is an arithmetic number, because the mean of its divisors is an integer number (1510387725).

Almost surely, 2^11220023022 is an apocalyptic number.

11220023022 is an abundant number, since it is smaller than the sum of its proper divisors (12946180578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11220023022 is a wasteful number, since it uses less digits than its factorization.

11220023022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143846467.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 11220023022 its reverse (22032002211), we get a palindrome (33252025233).

The spelling of 11220023022 in words is "eleven billion, two hundred twenty million, twenty-three thousand, twenty-two".