1322263985 has 8 divisors (see below), whose sum is σ = 1813390656. Its totient is φ = 906695280.

The previous prime is 1322263967. The next prime is 1322263993. The reversal of 1322263985 is 5893622231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1322263985 - 2¹⁸ = 1322001841 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18889451 + ... + 18889520.

It is an arithmetic number, because the mean of its divisors is an integer number (226673832).

Almost surely, 2^1322263985 is an apocalyptic number.

It is an amenable number.

1322263985 is a deficient number, since it is larger than the sum of its proper divisors (491126671).

1322263985 is an equidigital number, since it uses as much as digits as its factorization.

1322263985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37778983.

The product of its digits is 155520, while the sum is 41.

The square root of 1322263985 is about 36362.9479690522. The cubic root of 1322263985 is about 1097.5880997419.

The spelling of 1322263985 in words is "one billion, three hundred twenty-two million, two hundred sixty-three thousand, nine hundred eighty-five".