213220301 has 16 divisors (see below), whose sum is σ = 246489600. Its totient is φ = 180666288.

The previous prime is 213220253. The next prime is 213220321. The reversal of 213220301 is 103022312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 213220301 - 2¹⁸ = 212958157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213220321) 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, 407426 + ... + 407948.

It is an arithmetic number, because the mean of its divisors is an integer number (15405600).

Almost surely, 2^213220301 is an apocalyptic number.

It is an amenable number.

213220301 is a deficient number, since it is larger than the sum of its proper divisors (33269299).

213220301 is a wasteful number, since it uses less digits than its factorization.

213220301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 213220301 is about 14602.0649567107. The cubic root of 213220301 is about 597.4150843069.

Adding to 213220301 its reverse (103022312), we get a palindrome (316242613).

The spelling of 213220301 in words is "two hundred thirteen million, two hundred twenty thousand, three hundred one".