22015415430 has 96 divisors (see below), whose sum is σ = 58398503904. Its totient is φ = 5752885248.

The previous prime is 22015415419. The next prime is 22015415449. The reversal of 22015415430 is 3451451022.

22015415430 is a `hidden beast` number, since 2 + 201 + 5 + 415 + 43 + 0 = 666.

22015415430 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22015415394 and 22015415403.

It is a congruent number.

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, 1154332 + ... + 1173248.

It is an arithmetic number, because the mean of its divisors is an integer number (608317749).

Almost surely, 2^22015415430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22015415430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29199251952).

22015415430 is an abundant number, since it is smaller than the sum of its proper divisors (36383088474).

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

22015415430 is a wasteful number, since it uses less digits than its factorization.

22015415430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19190 (or 19187 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 22015415430 its reverse (3451451022), we get a palindrome (25466866452).

The spelling of 22015415430 in words is "twenty-two billion, fifteen million, four hundred fifteen thousand, four hundred thirty".