2223535745 has 8 divisors (see below), whose sum is σ = 2668933800. Its totient is φ = 1778368000.

The previous prime is 2223535693. The next prime is 2223535747. The reversal of 2223535745 is 5475353222.

It can be written as a sum of positive squares in 4 ways, for example, as 1073296 + 2222462449 = 1036^2 + 47143^2 .

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

It is not a de Polignac number, because 2223535745 - 2¹² = 2223531649 is a prime.

It is a super-2 number, since 2×2223535745² = 9888222418585410050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2223535699 and 2223535708.

It is not an unprimeable number, because it can be changed into a prime (2223535747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35570 + ... + 75579.

It is an arithmetic number, because the mean of its divisors is an integer number (333616725).

Almost surely, 2^2223535745 is an apocalyptic number.

It is an amenable number.

2223535745 is a deficient number, since it is larger than the sum of its proper divisors (445398055).

2223535745 is a wasteful number, since it uses less digits than its factorization.

2223535745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115155.

The product of its digits is 252000, while the sum is 38.

The square root of 2223535745 is about 47154.3820339107. The cubic root of 2223535745 is about 1305.2129431385.

Adding to 2223535745 its reverse (5475353222), we get a palindrome (7698888967).

The spelling of 2223535745 in words is "two billion, two hundred twenty-three million, five hundred thirty-five thousand, seven hundred forty-five".