22550347980 has 288 divisors, whose sum is σ = 74732636160. Its totient is φ = 5483013120.

The previous prime is 22550347979. The next prime is 22550347993. The reversal of 22550347980 is 8974305522.

22550347980 is a `hidden beast` number, since 2 + 2 + 550 + 3 + 4 + 7 + 98 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24066072 + ... + 24067008.

It is an arithmetic number, because the mean of its divisors is an integer number (259488320).

Almost surely, 2^22550347980 is an apocalyptic number.

22550347980 is a gapful number since it is divisible by the number (20) 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 22550347980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37366318080).

22550347980 is an abundant number, since it is smaller than the sum of its proper divisors (52182288180).

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

22550347980 is a wasteful number, since it uses less digits than its factorization.

22550347980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229 (or 1224 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 22550347980 in words is "twenty-two billion, five hundred fifty million, three hundred forty-seven thousand, nine hundred eighty".