35445221 has 16 divisors (see below), whose sum is σ = 44375040. Its totient is φ = 27605760.

The previous prime is 35445199. The next prime is 35445247. The reversal of 35445221 is 12254453.

It is a happy number.

It is not a de Polignac number, because 35445221 - 2¹⁰ = 35444197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35445281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1685 + ... + 8586.

It is an arithmetic number, because the mean of its divisors is an integer number (2773440).

Almost surely, 2^35445221 is an apocalyptic number.

It is an amenable number.

35445221 is a deficient number, since it is larger than the sum of its proper divisors (8929819).

35445221 is a wasteful number, since it uses less digits than its factorization.

35445221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10324.

The product of its digits is 4800, while the sum is 26.

The square root of 35445221 is about 5953.5889176194. The cubic root of 35445221 is about 328.4877886216.

Adding to 35445221 its reverse (12254453), we get a palindrome (47699674).

The spelling of 35445221 in words is "thirty-five million, four hundred forty-five thousand, two hundred twenty-one".