22022031330 has 80 divisors (see below), whose sum is σ = 63769810104. Its totient is φ = 5420805120.

The previous prime is 22022031293. The next prime is 22022031331. The reversal of 22022031330 is 3313022022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13724825409 + 8297205921 = 117153^2 + 91089^2 .

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 (22022031331) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1035151 + ... + 1056210.

Almost surely, 2^22022031330 is an apocalyptic number.

22022031330 is an abundant number, since it is smaller than the sum of its proper divisors (41747778774).

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

22022031330 is a wasteful number, since it uses less digits than its factorization.

22022031330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091393 (or 2091384 counting only the distinct ones).

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

Adding to 22022031330 its reverse (3313022022), we get a palindrome (25335053352).

The spelling of 22022031330 in words is "twenty-two billion, twenty-two million, thirty-one thousand, three hundred thirty".