2202131213 has 4 divisors (see below), whose sum is σ = 2232297468. Its totient is φ = 2171964960.

The previous prime is 2202131189. The next prime is 2202131233. The reversal of 2202131213 is 3121312022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3121312022 = 2 ⋅1560656011.

It can be written as a sum of positive squares in 2 ways, for example, as 550277764 + 1651853449 = 23458^2 + 40643^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202131213 - 2³⁰ = 1128389389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2202131191 and 2202131200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202131233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15083018 + ... + 15083163.

It is an arithmetic number, because the mean of its divisors is an integer number (558074367).

Almost surely, 2^2202131213 is an apocalyptic number.

It is an amenable number.

2202131213 is a deficient number, since it is larger than the sum of its proper divisors (30166255).

2202131213 is an equidigital number, since it uses as much as digits as its factorization.

2202131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30166254.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2202131213 is about 46926.8709056975. The cubic root of 2202131213 is about 1301.0112866732.

Adding to 2202131213 its reverse (3121312022), we get a palindrome (5323443235).

The spelling of 2202131213 in words is "two billion, two hundred two million, one hundred thirty-one thousand, two hundred thirteen".