2202231212209 has 4 divisors (see below), whose sum is σ = 2516835671104. Its totient is φ = 1887626753316.

The previous prime is 2202231212201. The next prime is 2202231212231. The reversal of 2202231212209 is 9022121322022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2202231212209 - 2³ = 2202231212201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2202231212201) 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, 157302229437 + ... + 157302229450.

It is an arithmetic number, because the mean of its divisors is an integer number (629208917776).

Almost surely, 2^{2202231212209} is an apocalyptic number.

It is an amenable number.

2202231212209 is a deficient number, since it is larger than the sum of its proper divisors (314604458895).

2202231212209 is an equidigital number, since it uses as much as digits as its factorization.

2202231212209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314604458894.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 2202231212209 in words is "two trillion, two hundred two billion, two hundred thirty-one million, two hundred twelve thousand, two hundred nine".