18422200546 has 8 divisors (see below), whose sum is σ = 27643346604. Its totient is φ = 9207751680.

The previous prime is 18422200541. The next prime is 18422200547. The reversal of 18422200546 is 64500222481.

It can be written as a sum of positive squares in 2 ways, for example, as 17020072521 + 1402128025 = 130461^2 + 37445^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×18422200546³ (a number of 32 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1667415 + ... + 1678426.

Almost surely, 2^18422200546 is an apocalyptic number.

18422200546 is a deficient number, since it is larger than the sum of its proper divisors (9221146058).

18422200546 is a wasteful number, since it uses less digits than its factorization.

18422200546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348596.

The product of its (nonzero) digits is 30720, while the sum is 34.

The spelling of 18422200546 in words is "eighteen billion, four hundred twenty-two million, two hundred thousand, five hundred forty-six".