213222444201 has 64 divisors (see below), whose sum is σ = 343547043840. Its totient is φ = 129922781760.

The previous prime is 213222444131. The next prime is 213222444229. The reversal of 213222444201 is 102444222312.

It is a happy number.

213222444201 is a `hidden beast` number, since 2 + 13 + 2 + 2 + 2 + 444 + 201 = 666.

It is not a de Polignac number, because 213222444201 - 2²¹ = 213220347049 is a prime.

It is a super-2 number, since 2×213222444201² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213222442201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15409356 + ... + 15423186.

It is an arithmetic number, because the mean of its divisors is an integer number (5367922560).

Almost surely, 2^213222444201 is an apocalyptic number.

It is an amenable number.

213222444201 is a deficient number, since it is larger than the sum of its proper divisors (130324599639).

213222444201 is a wasteful number, since it uses less digits than its factorization.

213222444201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14283 (or 14277 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 213222444201 its reverse (102444222312), we get a palindrome (315666666513).

The spelling of 213222444201 in words is "two hundred thirteen billion, two hundred twenty-two million, four hundred forty-four thousand, two hundred one".