18422200545 has 64 divisors (see below), whose sum is σ = 33925576704. Its totient is φ = 8361999360.

The previous prime is 18422200541. The next prime is 18422200547. The reversal of 18422200545 is 54500222481.

It is not a de Polignac number, because 18422200545 - 2² = 18422200541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18422200541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9834729 + ... + 9836601.

It is an arithmetic number, because the mean of its divisors is an integer number (530087136).

Almost surely, 2^18422200545 is an apocalyptic number.

18422200545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18422200545 is a deficient number, since it is larger than the sum of its proper divisors (15503376159).

18422200545 is a wasteful number, since it uses less digits than its factorization.

18422200545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502.

The product of its (nonzero) digits is 25600, while the sum is 33.

The spelling of 18422200545 in words is "eighteen billion, four hundred twenty-two million, two hundred thousand, five hundred forty-five".