1423222522 has 4 divisors (see below), whose sum is σ = 2134833786. Its totient is φ = 711611260.

The previous prime is 1423222517. The next prime is 1423222571. The reversal of 1423222522 is 2252223241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2252223241 = 7753 ⋅290497.

It can be written as a sum of positive squares in only one way, i.e., 1305304641 + 117917881 = 36129^2 + 10859^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355805629 + ... + 355805632.

Almost surely, 2^1423222522 is an apocalyptic number.

1423222522 is a deficient number, since it is larger than the sum of its proper divisors (711611264).

1423222522 is an equidigital number, since it uses as much as digits as its factorization.

1423222522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711611263.

The product of its digits is 3840, while the sum is 25.

The square root of 1423222522 is about 37725.6215588292. The cubic root of 1423222522 is about 1124.8404770024.

Adding to 1423222522 its reverse (2252223241), we get a palindrome (3675445763).

The spelling of 1423222522 in words is "one billion, four hundred twenty-three million, two hundred twenty-two thousand, five hundred twenty-two".