22224102040 has 128 divisors (see below), whose sum is σ = 61651704960. Its totient is φ = 7036084224.

The previous prime is 22224101971. The next prime is 22224102041. The reversal of 22224102040 is 4020142222.

22224102040 = 56343² + 56344² + ... + 56349².

It is a super-2 number, since 2×22224102040² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22224101999 and 22224102017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224102041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208234 + ... + 296326.

It is an arithmetic number, because the mean of its divisors is an integer number (481653945).

Almost surely, 2^22224102040 is an apocalyptic number.

22224102040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22224102040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30825852480).

22224102040 is an abundant number, since it is smaller than the sum of its proper divisors (39427602920).

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

22224102040 is a wasteful number, since it uses less digits than its factorization.

22224102040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88181 (or 88177 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22224102040 its reverse (4020142222), we get a palindrome (26244244262).

The spelling of 22224102040 in words is "twenty-two billion, two hundred twenty-four million, one hundred two thousand, forty".