11233420422 has 48 divisors (see below), whose sum is σ = 26220237120. Its totient is φ = 3199068432.

The previous prime is 11233420421. The next prime is 11233420433. The reversal of 11233420422 is 22402433211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11233420392 and 11233420401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233420421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28029 + ... + 152487.

It is an arithmetic number, because the mean of its divisors is an integer number (546254940).

Almost surely, 2^11233420422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11233420422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13110118560).

11233420422 is an abundant number, since it is smaller than the sum of its proper divisors (14986816698).

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

11233420422 is a wasteful number, since it uses less digits than its factorization.

11233420422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124785 (or 124778 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 11233420422 its reverse (22402433211), we get a palindrome (33635853633).

The spelling of 11233420422 in words is "eleven billion, two hundred thirty-three million, four hundred twenty thousand, four hundred twenty-two".