424202209 has 8 divisors (see below), whose sum is σ = 430626240. Its totient is φ = 417790800.

The previous prime is 424202203. The next prime is 424202231. The reversal of 424202209 is 902202424.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424202209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424202203) 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, 81322 + ... + 86380.

It is an arithmetic number, because the mean of its divisors is an integer number (53828280).

Almost surely, 2^424202209 is an apocalyptic number.

It is an amenable number.

424202209 is a deficient number, since it is larger than the sum of its proper divisors (6424031).

424202209 is a wasteful number, since it uses less digits than its factorization.

424202209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6311.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 424202209 is about 20596.1697652743. The cubic root of 424202209 is about 751.3765587172.

The spelling of 424202209 in words is "four hundred twenty-four million, two hundred two thousand, two hundred nine".