22192911468 has 384 divisors, whose sum is σ = 75115980800. Its totient is φ = 5502422016.

The previous prime is 22192911413. The next prime is 22192911469. The reversal of 22192911468 is 86411929122.

It is a happy number.

22192911468 is a `hidden beast` number, since 2 + 219 + 291 + 146 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (22192911469) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29316546 + ... + 29317302.

Almost surely, 2^22192911468 is an apocalyptic number.

22192911468 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22192911468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37557990400).

22192911468 is an abundant number, since it is smaller than the sum of its proper divisors (52923069332).

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

22192911468 is a wasteful number, since it uses less digits than its factorization.

22192911468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966 (or 958 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The spelling of 22192911468 in words is "twenty-two billion, one hundred ninety-two million, nine hundred eleven thousand, four hundred sixty-eight".