2221332229 has 2 divisors, whose sum is σ = 2221332230. Its totient is φ = 2221332228.

The previous prime is 2221332167. The next prime is 2221332247. The reversal of 2221332229 is 9222331222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1929844900 + 291487329 = 43930^2 + 17073^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221332229 - 2²¹ = 2219235077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221332197 and 2221332206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221335229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110666114 + 1110666115.

It is an arithmetic number, because the mean of its divisors is an integer number (1110666115).

Almost surely, 2^2221332229 is an apocalyptic number.

It is an amenable number.

2221332229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221332229 is an equidigital number, since it uses as much as digits as its factorization.

2221332229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

The square root of 2221332229 is about 47131.0113301211. The cubic root of 2221332229 is about 1304.7816468442.

The spelling of 2221332229 in words is "two billion, two hundred twenty-one million, three hundred thirty-two thousand, two hundred twenty-nine".