1322220423 has 8 divisors (see below), whose sum is σ = 1765006848. Its totient is φ = 880457144.

The previous prime is 1322220413. The next prime is 1322220479. The reversal of 1322220423 is 3240222231.

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 1322220423 - 2¹³ = 1322212231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1322220423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322220413) 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, 252765 + ... + 257942.

It is an arithmetic number, because the mean of its divisors is an integer number (220625856).

Almost surely, 2^1322220423 is an apocalyptic number.

1322220423 is a deficient number, since it is larger than the sum of its proper divisors (442786425).

1322220423 is an equidigital number, since it uses as much as digits as its factorization.

1322220423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511573.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1322220423 is about 36362.3489752794. The cubic root of 1322220423 is about 1097.5760462593.

Adding to 1322220423 its reverse (3240222231), we get a palindrome (4562442654).

The spelling of 1322220423 in words is "one billion, three hundred twenty-two million, two hundred twenty thousand, four hundred twenty-three".