22440343100 has 72 divisors (see below), whose sum is σ = 56702183328. Its totient is φ = 7548652800.

The previous prime is 22440343073. The next prime is 22440343181. The reversal of 22440343100 is 134304422.

It is a super-2 number, since 2×22440343100² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265331 + ... + 339530.

It is an arithmetic number, because the mean of its divisors is an integer number (787530324).

Almost surely, 2^22440343100 is an apocalyptic number.

22440343100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22440343100 is an abundant number, since it is smaller than the sum of its proper divisors (34261840228).

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

22440343100 is a wasteful number, since it uses less digits than its factorization.

22440343100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604935 (or 604928 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 22440343100 its reverse (134304422), we get a palindrome (22574647522).

The spelling of 22440343100 in words is "twenty-two billion, four hundred forty million, three hundred forty-three thousand, one hundred".