1802216201 has 8 divisors (see below), whose sum is σ = 1812115200. Its totient is φ = 1792333872.

The previous prime is 1802216197. The next prime is 1802216203. The reversal of 1802216201 is 1026122081.

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

It is a cyclic number.

It is not a de Polignac number, because 1802216201 - 2² = 1802216197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1802216203) 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, 255875 + ... + 262823.

It is an arithmetic number, because the mean of its divisors is an integer number (226514400).

Almost surely, 2^1802216201 is an apocalyptic number.

It is an amenable number.

1802216201 is a deficient number, since it is larger than the sum of its proper divisors (9898999).

1802216201 is a wasteful number, since it uses less digits than its factorization.

1802216201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8335.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1802216201 is about 42452.5170160734. The cubic root of 1802216201 is about 1216.9394307400.

Adding to 1802216201 its reverse (1026122081), we get a palindrome (2828338282).

The spelling of 1802216201 in words is "one billion, eight hundred two million, two hundred sixteen thousand, two hundred one".