22291893416 has 128 divisors (see below), whose sum is σ = 49697141760. Its totient is φ = 9275904000.

The previous prime is 22291893269. The next prime is 22291893521. The reversal of 22291893416 is 61439819222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5533595 + ... + 5537621.

It is an arithmetic number, because the mean of its divisors is an integer number (388258920).

Almost surely, 2^22291893416 is an apocalyptic number.

22291893416 is a gapful number since it is divisible by the number (26) 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 22291893416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24848570880).

22291893416 is an abundant number, since it is smaller than the sum of its proper divisors (27405248344).

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

22291893416 is a wasteful number, since it uses less digits than its factorization.

22291893416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4195 (or 4191 counting only the distinct ones).

The product of its digits is 373248, while the sum is 47.

The spelling of 22291893416 in words is "twenty-two billion, two hundred ninety-one million, eight hundred ninety-three thousand, four hundred sixteen".