22474778976 has 288 divisors, whose sum is σ = 72871475040. Its totient is φ = 6513426432.

The previous prime is 22474778951. The next prime is 22474779011. The reversal of 22474778976 is 67987747422.

22474778976 is a `hidden beast` number, since 2 + 2 + 474 + 7 + 78 + 97 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13728430 + ... + 13730066.

It is an arithmetic number, because the mean of its divisors is an integer number (253025955).

Almost surely, 2^22474778976 is an apocalyptic number.

22474778976 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 22474778976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36435737520).

22474778976 is an abundant number, since it is smaller than the sum of its proper divisors (50396696064).

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

22474778976 is a wasteful number, since it uses less digits than its factorization.

22474778976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878 (or 1867 counting only the distinct ones).

The product of its digits is 66382848, while the sum is 63.

The spelling of 22474778976 in words is "twenty-two billion, four hundred seventy-four million, seven hundred seventy-eight thousand, nine hundred seventy-six".