22467478056 has 128 divisors (see below), whose sum is σ = 60682936320. Its totient is φ = 6914502144.

The previous prime is 22467478051. The next prime is 22467478123. The reversal of 22467478056 is 65087476422.

It is not an unprimeable number, because it can be changed into a prime (22467478051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1887981 + ... + 1899843.

It is an arithmetic number, because the mean of its divisors is an integer number (474085440).

Almost surely, 2^22467478056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22467478056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30341468160).

22467478056 is an abundant number, since it is smaller than the sum of its proper divisors (38215458264).

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

22467478056 is a wasteful number, since it uses less digits than its factorization.

22467478056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12015 (or 12011 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 51.

The spelling of 22467478056 in words is "twenty-two billion, four hundred sixty-seven million, four hundred seventy-eight thousand, fifty-six".