22405805548 has 24 divisors (see below), whose sum is σ = 44905190400. Its totient is φ = 9582435408.

The previous prime is 22405805533. The next prime is 22405805563. The reversal of 22405805548 is 84550850422.

It is an interprime number because it is at equal distance from previous prime (22405805533) and next prime (22405805563).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821878 + ... + 848701.

It is an arithmetic number, because the mean of its divisors is an integer number (1871049600).

Almost surely, 2^22405805548 is an apocalyptic number.

22405805548 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22405805548 is an abundant number, since it is smaller than the sum of its proper divisors (22499384852).

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

22405805548 is a wasteful number, since it uses less digits than its factorization.

22405805548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671069 (or 1671067 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 43.

The spelling of 22405805548 in words is "twenty-two billion, four hundred five million, eight hundred five thousand, five hundred forty-eight".