18227202000 has 160 divisors (see below), whose sum is σ = 67159582464. Its totient is φ = 4166208000.

The previous prime is 18227201983. The next prime is 18227202013. The reversal of 18227202000 is 20272281.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174991 + ... + 258990.

Almost surely, 2^18227202000 is an apocalyptic number.

18227202000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18227202000 is an abundant number, since it is smaller than the sum of its proper divisors (48932380464).

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

18227202000 is a wasteful number, since it uses less digits than its factorization.

18227202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434014 (or 433998 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

Adding to 18227202000 its reverse (20272281), we get a palindrome (18247474281).

The spelling of 18227202000 in words is "eighteen billion, two hundred twenty-seven million, two hundred two thousand".