1317423622 has 4 divisors (see below), whose sum is σ = 1976135436. Its totient is φ = 658711810.

The previous prime is 1317423617. The next prime is 1317423631. The reversal of 1317423622 is 2263247131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2263247131 = 233 ⋅9713507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329355904 + ... + 329355907.

It is an arithmetic number, because the mean of its divisors is an integer number (494033859).

Almost surely, 2^1317423622 is an apocalyptic number.

1317423622 is a deficient number, since it is larger than the sum of its proper divisors (658711814).

1317423622 is an equidigital number, since it uses as much as digits as its factorization.

1317423622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658711813.

The product of its digits is 12096, while the sum is 31.

The square root of 1317423622 is about 36296.3306960910. The cubic root of 1317423622 is about 1096.2471620769.

The spelling of 1317423622 in words is "one billion, three hundred seventeen million, four hundred twenty-three thousand, six hundred twenty-two".