1322232020427 has 4 divisors (see below), whose sum is σ = 1762976027240. Its totient is φ = 881488013616.

The previous prime is 1322232020407. The next prime is 1322232020467. The reversal of 1322232020427 is 7240202322231.

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

It is not a de Polignac number, because 1322232020427 - 2⁸ = 1322232020171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322232020394 and 1322232020403.

It is not an unprimeable number, because it can be changed into a prime (1322232020407) 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, 220372003402 + ... + 220372003407.

It is an arithmetic number, because the mean of its divisors is an integer number (440744006810).

Almost surely, 2^{1322232020427} is an apocalyptic number.

1322232020427 is a deficient number, since it is larger than the sum of its proper divisors (440744006813).

1322232020427 is an equidigital number, since it uses as much as digits as its factorization.

1322232020427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440744006812.

The product of its (nonzero) digits is 16128, while the sum is 30.

Adding to 1322232020427 its reverse (7240202322231), we get a palindrome (8562434342658).

The spelling of 1322232020427 in words is "one trillion, three hundred twenty-two billion, two hundred thirty-two million, twenty thousand, four hundred twenty-seven".