22145405468 has 24 divisors (see below), whose sum is σ = 40469248512. Its totient is φ = 10583472944.

The previous prime is 22145405441. The next prime is 22145405497. The reversal of 22145405468 is 86450454122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37721 + ... + 213807.

It is an arithmetic number, because the mean of its divisors is an integer number (1686218688).

Almost surely, 2^22145405468 is an apocalyptic number.

It is an amenable number.

22145405468 is a deficient number, since it is larger than the sum of its proper divisors (18323843044).

22145405468 is a wasteful number, since it uses less digits than its factorization.

22145405468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177481 (or 177479 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 41.

It can be divided in two parts, 221454054 and 68, that added together give a palindrome (221454122).

The spelling of 22145405468 in words is "twenty-two billion, one hundred forty-five million, four hundred five thousand, four hundred sixty-eight".