2221432213 has 16 divisors (see below), whose sum is σ = 2982623616. Its totient is φ = 1597832640.

The previous prime is 2221432189. The next prime is 2221432231. The reversal of 2221432213 is 3122341222.

It is a cyclic number.

It is not a de Polignac number, because 2221432213 - 2¹³ = 2221424021 is a prime.

It is a super-2 number, since 2×2221432213² = 9869522153908154738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221432273) 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, 1108606 + ... + 1110607.

It is an arithmetic number, because the mean of its divisors is an integer number (186413976).

Almost surely, 2^2221432213 is an apocalyptic number.

It is an amenable number.

2221432213 is a deficient number, since it is larger than the sum of its proper divisors (761191403).

2221432213 is a wasteful number, since it uses less digits than its factorization.

2221432213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219244.

The product of its digits is 1152, while the sum is 22.

The square root of 2221432213 is about 47132.0720210771. The cubic root of 2221432213 is about 1304.8012229840.

Adding to 2221432213 its reverse (3122341222), we get a palindrome (5343773435).

Subtracting 2221432213 from its reverse (3122341222), we obtain a palindrome (900909009).

It can be divided in two parts, 2221 and 432213, that added together give a palindrome (434434).

The spelling of 2221432213 in words is "two billion, two hundred twenty-one million, four hundred thirty-two thousand, two hundred thirteen".