201502218 has 16 divisors (see below), whose sum is σ = 420526656. Its totient is φ = 64247040.

The previous prime is 201502211. The next prime is 201502243. The reversal of 201502218 is 812205102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201502194 and 201502203.

It is not an unprimeable number, because it can be changed into a prime (201502211) 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, 729943 + ... + 730218.

It is an arithmetic number, because the mean of its divisors is an integer number (26282916).

Almost surely, 2^201502218 is an apocalyptic number.

201502218 is an abundant number, since it is smaller than the sum of its proper divisors (219024438).

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

201502218 is a wasteful number, since it uses less digits than its factorization.

201502218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460189.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 201502218 is about 14195.1476920813. The cubic root of 201502218 is about 586.2640677169.

The spelling of 201502218 in words is "two hundred one million, five hundred two thousand, two hundred eighteen".