11232221022 has 64 divisors (see below), whose sum is σ = 27809049600. Its totient is φ = 3331275840.

The previous prime is 11232220997. The next prime is 11232221029. The reversal of 11232221022 is 22012223211.

11232221022 is a `hidden beast` number, since 112 + 322 + 210 + 22 = 666.

It is a super-3 number, since 3×11232221022³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11232220986 and 11232221004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11232221029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173247 + ... + 229082.

It is an arithmetic number, because the mean of its divisors is an integer number (434516400).

Almost surely, 2^11232221022 is an apocalyptic number.

11232221022 is an abundant number, since it is smaller than the sum of its proper divisors (16576828578).

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

11232221022 is a wasteful number, since it uses less digits than its factorization.

11232221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402398 (or 402392 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11232221022 its reverse (22012223211), we get a palindrome (33244444233).

The spelling of 11232221022 in words is "eleven billion, two hundred thirty-two million, two hundred twenty-one thousand, twenty-two".