18922250550352 has 40 divisors (see below), whose sum is σ = 38177228643840. Its totient is φ = 9074383651200.

The previous prime is 18922250550347. The next prime is 18922250550353. The reversal of 18922250550352 is 25305505222981.

It is a junction number, because it is equal to n+sod(n) for n = 18922250550296 and 18922250550305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18922250550353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134965408 + ... + 135105535.

It is an arithmetic number, because the mean of its divisors is an integer number (954430716096).

Almost surely, 2^{18922250550352} is an apocalyptic number.

It is an amenable number.

18922250550352 is an abundant number, since it is smaller than the sum of its proper divisors (19254978093488).

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

18922250550352 is a wasteful number, since it uses less digits than its factorization.

18922250550352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270071131 (or 270071125 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 49.

The spelling of 18922250550352 in words is "eighteen trillion, nine hundred twenty-two billion, two hundred fifty million, five hundred fifty thousand, three hundred fifty-two".