22115345430 has 32 divisors (see below), whose sum is σ = 53080903008. Its totient is φ = 5896972800.

The previous prime is 22115345419. The next prime is 22115345453. The reversal of 22115345430 is 3454351122.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592110 + ... + 628350.

It is an arithmetic number, because the mean of its divisors is an integer number (1658778219).

Almost surely, 2^22115345430 is an apocalyptic number.

22115345430 is an abundant number, since it is smaller than the sum of its proper divisors (30965557578).

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

22115345430 is a wasteful number, since it uses less digits than its factorization.

22115345430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56592.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 22115345430 its reverse (3454351122), we get a palindrome (25569696552).

The spelling of 22115345430 in words is "twenty-two billion, one hundred fifteen million, three hundred forty-five thousand, four hundred thirty".