11122222022 has 8 divisors (see below), whose sum is σ = 16687588872. Its totient is φ = 5559692400.

The previous prime is 11122222021. The next prime is 11122222031. The reversal of 11122222022 is 22022222111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122222021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699479 + ... + 715202.

It is an arithmetic number, because the mean of its divisors is an integer number (2085948609).

Almost surely, 2^11122222022 is an apocalyptic number.

11122222022 is a deficient number, since it is larger than the sum of its proper divisors (5565366850).

11122222022 is a wasteful number, since it uses less digits than its factorization.

11122222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418614.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11122222022 its reverse (22022222111), we get a palindrome (33144444133).

The spelling of 11122222022 in words is "eleven billion, one hundred twenty-two million, two hundred twenty-two thousand, twenty-two".