902242209 has 8 divisors (see below), whose sum is σ = 1312352352. Its totient is φ = 546813440.

The previous prime is 902242181. The next prime is 902242213.

902242209 is nontrivially palindromic in base 10.

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 902242209 - 2⁵ = 902242177 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (902242109) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13670304 + ... + 13670369.

It is an arithmetic number, because the mean of its divisors is an integer number (164044044).

Almost surely, 2^902242209 is an apocalyptic number.

It is an amenable number.

902242209 is a deficient number, since it is larger than the sum of its proper divisors (410110143).

902242209 is a wasteful number, since it uses less digits than its factorization.

902242209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27340687.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 902242209 is about 30037.3469034800. The cubic root of 902242209 is about 966.2905081961.

The spelling of 902242209 in words is "nine hundred two million, two hundred forty-two thousand, two hundred nine".