2221012213 has 8 divisors (see below), whose sum is σ = 2592306432. Its totient is φ = 1863219696.

The previous prime is 2221012169. The next prime is 2221012217. The reversal of 2221012213 is 3122101222.

It is a happy number.

2221012213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2221012213 - 2¹⁷ = 2220881141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221012217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3375070 + ... + 3375727.

It is an arithmetic number, because the mean of its divisors is an integer number (324038304).

Almost surely, 2^2221012213 is an apocalyptic number.

It is an amenable number.

2221012213 is a deficient number, since it is larger than the sum of its proper divisors (371294219).

2221012213 is an equidigital number, since it uses as much as digits as its factorization.

2221012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6750851.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2221012213 is about 47127.6162456791. The cubic root of 2221012213 is about 1304.7189860903.

Adding to 2221012213 its reverse (3122101222), we get a palindrome (5343113435).

The spelling of 2221012213 in words is "two billion, two hundred twenty-one million, twelve thousand, two hundred thirteen".