2245611533 has 24 divisors (see below), whose sum is σ = 2537719800. Its totient is φ = 1984435200.

The previous prime is 2245611527. The next prime is 2245611547. The reversal of 2245611533 is 3351165422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 710382409 + 1535229124 = 26653^2 + 39182^2 .

It is not a de Polignac number, because 2245611533 - 2⁴ = 2245611517 is a prime.

It is a super-2 number, since 2×2245611533² = 10085542314285220178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2245611533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245611503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1730741 + ... + 1732037.

It is an arithmetic number, because the mean of its divisors is an integer number (105738325).

Almost surely, 2^2245611533 is an apocalyptic number.

It is an amenable number.

2245611533 is a deficient number, since it is larger than the sum of its proper divisors (292108267).

2245611533 is a wasteful number, since it uses less digits than its factorization.

2245611533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709 (or 1698 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 2245611533 is about 47387.8838206561. The cubic root of 2245611533 is about 1309.5182139520.

Adding to 2245611533 its reverse (3351165422), we get a palindrome (5596776955).

The spelling of 2245611533 in words is "two billion, two hundred forty-five million, six hundred eleven thousand, five hundred thirty-three".