22012023330 has 96 divisors (see below), whose sum is σ = 62533306368. Its totient is φ = 5327769600.

The previous prime is 22012023307. The next prime is 22012023337. The reversal of 22012023330 is 3332021022.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (22012023337) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 617247 + ... + 651933.

It is an arithmetic number, because the mean of its divisors is an integer number (651388608).

Almost surely, 2^22012023330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22012023330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31266653184).

22012023330 is an abundant number, since it is smaller than the sum of its proper divisors (40521283038).

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

22012023330 is a wasteful number, since it uses less digits than its factorization.

22012023330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35352 (or 35349 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 22012023330 its reverse (3332021022), we get a palindrome (25344044352).

The spelling of 22012023330 in words is "twenty-two billion, twelve million, twenty-three thousand, three hundred thirty".