22012000422 has 64 divisors (see below), whose sum is σ = 47029382400. Its totient is φ = 6848634240.

The previous prime is 22012000393. The next prime is 22012000429. The reversal of 22012000422 is 22400021022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012000429) 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, 2244213 + ... + 2253999.

It is an arithmetic number, because the mean of its divisors is an integer number (734834100).

Almost surely, 2^22012000422 is an apocalyptic number.

22012000422 is an abundant number, since it is smaller than the sum of its proper divisors (25017381978).

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

22012000422 is a wasteful number, since it uses less digits than its factorization.

22012000422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22012000422 its reverse (22400021022), we get a palindrome (44412021444).

The spelling of 22012000422 in words is "twenty-two billion, twelve million, four hundred twenty-two", and thus it is an aban number.