22304402013530 has 128 divisors (see below), whose sum is σ = 50837335008768. Its totient is φ = 6858361331712.

The previous prime is 22304402013499. The next prime is 22304402013541. The reversal of 22304402013530 is 3531020440322.

It is a happy number.

It is a super-2 number, since 2×22304402013530² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22304402013493 and 22304402013502.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1945154 + ... + 6956466.

It is an arithmetic number, because the mean of its divisors is an integer number (397166679756).

Almost surely, 2^{22304402013530} is an apocalyptic number.

22304402013530 is an abundant number, since it is smaller than the sum of its proper divisors (28532932995238).

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

22304402013530 is a wasteful number, since it uses less digits than its factorization.

22304402013530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5011480.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 22304402013530 its reverse (3531020440322), we get a palindrome (25835422453852).

The spelling of 22304402013530 in words is "twenty-two trillion, three hundred four billion, four hundred two million, thirteen thousand, five hundred thirty".