23222022012 has 36 divisors (see below), whose sum is σ = 67085842096. Its totient is φ = 6634863360.

The previous prime is 23222021983. The next prime is 23222022017. The reversal of 23222022012 is 21022022232.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23222022017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46075189 + ... + 46075692.

Almost surely, 2^23222022012 is an apocalyptic number.

It is an amenable number.

23222022012 is an abundant number, since it is smaller than the sum of its proper divisors (43863820084).

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

23222022012 is a wasteful number, since it uses less digits than its factorization.

23222022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92150898 (or 92150893 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 23222022012 its reverse (21022022232), we get a palindrome (44244044244).

The spelling of 23222022012 in words is "twenty-three billion, two hundred twenty-two million, twenty-two thousand, twelve".