22440413100 has 144 divisors (see below), whose sum is σ = 78567971328. Its totient is φ = 4827509760.

The previous prime is 22440413089. The next prime is 22440413129. The reversal of 22440413100 is 131404422.

It is a super-2 number, since 2×22440413100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 278592 + ... + 349991.

It is an arithmetic number, because the mean of its divisors is an integer number (545610912).

Almost surely, 2^22440413100 is an apocalyptic number.

22440413100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22440413100 is an abundant number, since it is smaller than the sum of its proper divisors (56127558228).

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

22440413100 is a wasteful number, since it uses less digits than its factorization.

22440413100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628624 (or 628617 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22440413100 its reverse (131404422), we get a palindrome (22571817522).

The spelling of 22440413100 in words is "twenty-two billion, four hundred forty million, four hundred thirteen thousand, one hundred".