11022212232 has 24 divisors (see below), whose sum is σ = 29851824990. Its totient is φ = 3674070720.

The previous prime is 11022212197. The next prime is 11022212239. The reversal of 11022212232 is 23221222011.

It can be written as a sum of positive squares in only one way, i.e., 9217152036 + 1805060196 = 96006^2 + 42486^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is not an unprimeable number, because it can be changed into a prime (11022212239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76543069 + ... + 76543212.

Almost surely, 2^11022212232 is an apocalyptic number.

11022212232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11022212232 is an abundant number, since it is smaller than the sum of its proper divisors (18829612758).

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

11022212232 is a wasteful number, since it uses less digits than its factorization.

11022212232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153086293 (or 153086286 counting only the distinct ones).

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

Adding to 11022212232 its reverse (23221222011), we get a palindrome (34243434243).

The spelling of 11022212232 in words is "eleven billion, twenty-two million, two hundred twelve thousand, two hundred thirty-two".