1323022442 has 24 divisors (see below), whose sum is σ = 2310291396. Its totient is φ = 566579328.

The previous prime is 1323022439. The next prime is 1323022447. The reversal of 1323022442 is 2442203231.

It can be written as a sum of positive squares in 2 ways, for example, as 1008634081 + 314388361 = 31759^2 + 17731^2 .

It is not an unprimeable number, because it can be changed into a prime (1323022447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147848 + ... + 156540.

Almost surely, 2^1323022442 is an apocalyptic number.

1323022442 is a deficient number, since it is larger than the sum of its proper divisors (987268954).

1323022442 is a wasteful number, since it uses less digits than its factorization.

1323022442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10262 (or 10255 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1323022442 is about 36373.3754551320. The cubic root of 1323022442 is about 1097.7979202385.

Adding to 1323022442 its reverse (2442203231), we get a palindrome (3765225673).

The spelling of 1323022442 in words is "one billion, three hundred twenty-three million, twenty-two thousand, four hundred forty-two".