35220409 has 8 divisors (see below), whose sum is σ = 40667648. Its totient is φ = 29877120.

The previous prime is 35220373. The next prime is 35220421. The reversal of 35220409 is 90402253.

It is a happy number.

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

It is not a de Polignac number, because 35220409 - 2¹³ = 35212217 is a prime.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (35220499) 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, 25257 + ... + 26614.

It is an arithmetic number, because the mean of its divisors is an integer number (5083456).

Almost surely, 2^35220409 is an apocalyptic number.

It is an amenable number.

35220409 is a deficient number, since it is larger than the sum of its proper divisors (5447239).

35220409 is an equidigital number, since it uses as much as digits as its factorization.

35220409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51975.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 35220409 is about 5934.6785085630. The cubic root of 35220409 is about 327.7918351233.

The spelling of 35220409 in words is "thirty-five million, two hundred twenty thousand, four hundred nine".