22486881550 has 36 divisors (see below), whose sum is σ = 48654274320. Its totient is φ = 7709787120.

The previous prime is 22486881517. The next prime is 22486881551. The reversal of 22486881550 is 5518868422.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 22486881494 and 22486881503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22486881551) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4586710 + ... + 4591609.

It is an arithmetic number, because the mean of its divisors is an integer number (1351507620).

Almost surely, 2^22486881550 is an apocalyptic number.

22486881550 is an abundant number, since it is smaller than the sum of its proper divisors (26167392770).

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

22486881550 is a wasteful number, since it uses less digits than its factorization.

22486881550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9178345 (or 9178333 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 49.

The spelling of 22486881550 in words is "twenty-two billion, four hundred eighty-six million, eight hundred eighty-one thousand, five hundred fifty".