1442064322 has 4 divisors (see below), whose sum is σ = 2163096486. Its totient is φ = 721032160.

The previous prime is 1442064319. The next prime is 1442064331. The reversal of 1442064322 is 2234602441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2234602441 = 659 ⋅3390899.

It can be written as a sum of positive squares in only one way, i.e., 1329258681 + 112805641 = 36459^2 + 10621^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360516079 + ... + 360516082.

Almost surely, 2^1442064322 is an apocalyptic number.

1442064322 is a deficient number, since it is larger than the sum of its proper divisors (721032164).

1442064322 is an equidigital number, since it uses as much as digits as its factorization.

1442064322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721032163.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 1442064322 is about 37974.5220114750. The cubic root of 1442064322 is about 1129.7825885015.

Adding to 1442064322 its reverse (2234602441), we get a palindrome (3676666763).

The spelling of 1442064322 in words is "one billion, four hundred forty-two million, sixty-four thousand, three hundred twenty-two".