22240423100 has 72 divisors (see below), whose sum is σ = 56060557728. Its totient is φ = 7500268800.

The previous prime is 22240423099. The next prime is 22240423103. The reversal of 22240423100 is 132404222.

It is a super-2 number, since 2×22240423100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22240423103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217727 + ... + 303126.

Almost surely, 2^22240423100 is an apocalyptic number.

22240423100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22240423100 is an abundant number, since it is smaller than the sum of its proper divisors (33820134628).

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

22240423100 is a wasteful number, since it uses less digits than its factorization.

22240423100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520935 (or 520928 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22240423100 its reverse (132404222), we get a palindrome (22372827322).

The spelling of 22240423100 in words is "twenty-two billion, two hundred forty million, four hundred twenty-three thousand, one hundred".