35220213 has 12 divisors (see below), whose sum is σ = 58141408. Its totient is φ = 20125800.

The previous prime is 35220203. The next prime is 35220223. The reversal of 35220213 is 31202253.

It is an interprime number because it is at equal distance from previous prime (35220203) and next prime (35220223).

It is not a de Polignac number, because 35220213 - 2⁴ = 35220197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35220203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279463 + ... + 279588.

Almost surely, 2^35220213 is an apocalyptic number.

It is an amenable number.

35220213 is a deficient number, since it is larger than the sum of its proper divisors (22921195).

35220213 is a wasteful number, since it uses less digits than its factorization.

35220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559064 (or 559061 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 35220213 is about 5934.6619954299. The cubic root of 35220213 is about 327.7912270732.

Adding to 35220213 its reverse (31202253), we get a palindrome (66422466).

The spelling of 35220213 in words is "thirty-five million, two hundred twenty thousand, two hundred thirteen".