1224332045 has 8 divisors (see below), whose sum is σ = 1469510424. Its totient is φ = 979257664.

The previous prime is 1224332033. The next prime is 1224332047. The reversal of 1224332045 is 5402334221.

It can be written as a sum of positive squares in 4 ways, for example, as 591608329 + 632723716 = 24323^2 + 25154^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1224332045 - 2²⁰ = 1223283469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224332047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2807 + ... + 49563.

It is an arithmetic number, because the mean of its divisors is an integer number (183688803).

Almost surely, 2^1224332045 is an apocalyptic number.

It is an amenable number.

1224332045 is a deficient number, since it is larger than the sum of its proper divisors (245178379).

1224332045 is an equidigital number, since it uses as much as digits as its factorization.

1224332045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51999.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 1224332045 is about 34990.4564845902. The cubic root of 1224332045 is about 1069.7929680674.

Adding to 1224332045 its reverse (5402334221), we get a palindrome (6626666266).

The spelling of 1224332045 in words is "one billion, two hundred twenty-four million, three hundred thirty-two thousand, forty-five".