902230217 has 8 divisors (see below), whose sum is σ = 1034182656. Its totient is φ = 771043392.

The previous prime is 902230213. The next prime is 902230249. The reversal of 902230217 is 712032209.

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

It is not a de Polignac number, because 902230217 - 2² = 902230213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (902230213) 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, 188873 + ... + 193590.

It is an arithmetic number, because the mean of its divisors is an integer number (129272832).

Almost surely, 2^902230217 is an apocalyptic number.

It is an amenable number.

902230217 is a deficient number, since it is larger than the sum of its proper divisors (131952439).

902230217 is a wasteful number, since it uses less digits than its factorization.

902230217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382807.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 902230217 is about 30037.1472846540. The cubic root of 902230217 is about 966.2862270814.

The spelling of 902230217 in words is "nine hundred two million, two hundred thirty thousand, two hundred seventeen".