22120433340 has 48 divisors (see below), whose sum is σ = 62317223808. Its totient is φ = 5862590784.

The previous prime is 22120433323. The next prime is 22120433353. The reversal of 22120433340 is 4333402122.

It is a super-2 number, since 2×22120433340² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22120433340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121122 + ... + 1140681.

It is an arithmetic number, because the mean of its divisors is an integer number (1298275496).

Almost surely, 2^22120433340 is an apocalyptic number.

22120433340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120433340 is an abundant number, since it is smaller than the sum of its proper divisors (40196790468).

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

22120433340 is a wasteful number, since it uses less digits than its factorization.

22120433340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261978 (or 2261976 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22120433340 its reverse (4333402122), we get a palindrome (26453835462).

The spelling of 22120433340 in words is "twenty-two billion, one hundred twenty million, four hundred thirty-three thousand, three hundred forty".