2223455551 has 8 divisors (see below), whose sum is σ = 2392842384. Its totient is φ = 2058357120.

The previous prime is 2223455513. The next prime is 2223455557. The reversal of 2223455551 is 1555543222.

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 2223455551 - 2¹⁷ = 2223324479 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 (2223455557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1071025 + ... + 1073098.

It is an arithmetic number, because the mean of its divisors is an integer number (299105298).

Almost surely, 2^2223455551 is an apocalyptic number.

2223455551 is a deficient number, since it is larger than the sum of its proper divisors (169386833).

2223455551 is a wasteful number, since it uses less digits than its factorization.

2223455551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144201.

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

The square root of 2223455551 is about 47153.5316916983. The cubic root of 2223455551 is about 1305.1972516878.

Adding to 2223455551 its reverse (1555543222), we get a palindrome (3778998773).

The spelling of 2223455551 in words is "two billion, two hundred twenty-three million, four hundred fifty-five thousand, five hundred fifty-one".