22114440520 has 16 divisors (see below), whose sum is σ = 49757491260. Its totient is φ = 8845776192.

The previous prime is 22114440487. The next prime is 22114440529. The reversal of 22114440520 is 2504441122.

It can be written as a sum of positive squares in 2 ways, for example, as 17852700996 + 4261739524 = 133614^2 + 65282^2 .

It is not an unprimeable number, because it can be changed into a prime (22114440529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276430467 + ... + 276430546.

Almost surely, 2^22114440520 is an apocalyptic number.

22114440520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22114440520 is an abundant number, since it is smaller than the sum of its proper divisors (27643050740).

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

22114440520 is a wasteful number, since it uses less digits than its factorization.

22114440520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552861024 (or 552861020 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 22114440520 its reverse (2504441122), we get a palindrome (24618881642).

The spelling of 22114440520 in words is "twenty-two billion, one hundred fourteen million, four hundred forty thousand, five hundred twenty".