40221234222 has 32 divisors (see below), whose sum is σ = 90396891648. Its totient is φ = 11837687136.

The previous prime is 40221234191. The next prime is 40221234223. The reversal of 40221234222 is 22243212204.

It is a junction number, because it is equal to n+sod(n) for n = 40221234192 and 40221234201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40221234223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11208138 + ... + 11211725.

It is an arithmetic number, because the mean of its divisors is an integer number (2824902864).

Almost surely, 2^40221234222 is an apocalyptic number.

40221234222 is an abundant number, since it is smaller than the sum of its proper divisors (50175657426).

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

40221234222 is a wasteful number, since it uses less digits than its factorization.

40221234222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22419904.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40221234222 its reverse (22243212204), we get a palindrome (62464446426).

The spelling of 40221234222 in words is "forty billion, two hundred twenty-one million, two hundred thirty-four thousand, two hundred twenty-two".