1322849641 has 9 divisors (see below), whose sum is σ = 1360953111. Its totient is φ = 1285787592.

The previous prime is 1322849629. The next prime is 1322849663. The reversal of 1322849641 is 1469482231.

The square root of 1322849641 is 36371.

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., 1183704025 + 139145616 = 34405^2 + 11796^2 .

It is not a de Polignac number, because 1322849641 - 2⁵ = 1322849609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322849594 and 1322849603.

It is not an unprimeable number, because it can be changed into a prime (1322849041) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1345236 + ... + 1346218.

Almost surely, 2^1322849641 is an apocalyptic number.

1322849641 is the 36371-st square number.

1322849641 is the 18186-th centered octagonal number.

It is an amenable number.

1322849641 is a deficient number, since it is larger than the sum of its proper divisors (38103470).

1322849641 is an frugal number, since it uses more digits than its factorization.

1322849641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040 (or 1020 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The cubic root of 1322849641 is about 1097.7501234081.

Multiplying 1322849641 by its product of digits (82944), we get a square (109722440623104 = 10474848²).

The spelling of 1322849641 in words is "one billion, three hundred twenty-two million, eight hundred forty-nine thousand, six hundred forty-one".