1322220220229 has 4 divisors (see below), whose sum is σ = 1322239397484. Its totient is φ = 1322201042976.

The previous prime is 1322220220219. The next prime is 1322220220247. The reversal of 1322220220229 is 9220220222231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 650684222500 + 671535997729 = 806650^2 + 819473^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322220220229 - 2¹² = 1322220216133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322220220219) 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, 9484832 + ... + 9623225.

It is an arithmetic number, because the mean of its divisors is an integer number (330559849371).

Almost surely, 2^{1322220220229} is an apocalyptic number.

It is an amenable number.

1322220220229 is a deficient number, since it is larger than the sum of its proper divisors (19177255).

1322220220229 is an equidigital number, since it uses as much as digits as its factorization.

1322220220229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19177254.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 1322220220229 in words is "one trillion, three hundred twenty-two billion, two hundred twenty million, two hundred twenty thousand, two hundred twenty-nine".