2223451555 has 16 divisors (see below), whose sum is σ = 2877003360. Its totient is φ = 1639865088.

The previous prime is 2223451499. The next prime is 2223451579. The reversal of 2223451555 is 5551543222.

It is a cyclic number.

It is not a de Polignac number, because 2223451555 - 2¹³ = 2223443363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2223451555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31444 + ... + 73726.

It is an arithmetic number, because the mean of its divisors is an integer number (179812710).

Almost surely, 2^2223451555 is an apocalyptic number.

2223451555 is a deficient number, since it is larger than the sum of its proper divisors (653551805).

2223451555 is a wasteful number, since it uses less digits than its factorization.

2223451555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43110.

The product of its digits is 60000, while the sum is 34.

The square root of 2223451555 is about 47153.4893194555. The cubic root of 2223451555 is about 1305.1964697860.

Adding to 2223451555 its reverse (5551543222), we get a palindrome (7774994777).

The spelling of 2223451555 in words is "two billion, two hundred twenty-three million, four hundred fifty-one thousand, five hundred fifty-five".