22098472578 has 48 divisors (see below), whose sum is σ = 58929264576. Its totient is φ = 5828168160.

The previous prime is 22098472577. The next prime is 22098472609. The reversal of 22098472578 is 87527489022.

22098472578 is a `hidden beast` number, since 2 + 20 + 9 + 8 + 47 + 2 + 578 = 666.

It is not an unprimeable number, because it can be changed into a prime (22098472577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6743928 + ... + 6747203.

It is an arithmetic number, because the mean of its divisors is an integer number (1227693012).

Almost surely, 2^22098472578 is an apocalyptic number.

22098472578 is an abundant number, since it is smaller than the sum of its proper divisors (36830791998).

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

22098472578 is a wasteful number, since it uses less digits than its factorization.

22098472578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13491159 (or 13491156 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 22098472578 in words is "twenty-two billion, ninety-eight million, four hundred seventy-two thousand, five hundred seventy-eight".