1322631424 has 27 divisors (see below), whose sum is σ = 2641258333. Its totient is φ = 661024768.

The previous prime is 1322631419. The next prime is 1322631437. The reversal of 1322631424 is 4241362231.

It is a happy number.

The square root of 1322631424 is 36368.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1177862400 + 144769024 = 34320^2 + 12032^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322631392 and 1322631401.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 580752 + ... + 583024.

Almost surely, 2^1322631424 is an apocalyptic number.

1322631424 is the 36368-th square number.

It is an amenable number.

1322631424 is a deficient number, since it is larger than the sum of its proper divisors (1318626909).

1322631424 is an frugal number, since it uses more digits than its factorization.

1322631424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4562 (or 2275 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The cubic root of 1322631424 is about 1097.6897585451.

Adding to 1322631424 its reverse (4241362231), we get a palindrome (5563993655).

The spelling of 1322631424 in words is "one billion, three hundred twenty-two million, six hundred thirty-one thousand, four hundred twenty-four".