2223425549 has 4 divisors (see below), whose sum is σ = 2223714240. Its totient is φ = 2223136860.

The previous prime is 2223425537. The next prime is 2223425551. The reversal of 2223425549 is 9455243222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9455243222 = 2 ⋅4727621611.

It is a cyclic number.

It is not a de Polignac number, because 2223425549 - 2²⁴ = 2206648333 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 (2223425579) 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 3 ways as a sum of consecutive naturals, for example, 132467 + ... + 148304.

It is an arithmetic number, because the mean of its divisors is an integer number (555928560).

Almost surely, 2^2223425549 is an apocalyptic number.

It is an amenable number.

2223425549 is a deficient number, since it is larger than the sum of its proper divisors (288691).

2223425549 is an equidigital number, since it uses as much as digits as its factorization.

2223425549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288690.

The product of its digits is 172800, while the sum is 38.

The square root of 2223425549 is about 47153.2135596292. The cubic root of 2223425549 is about 1305.1913811403.

The spelling of 2223425549 in words is "two billion, two hundred twenty-three million, four hundred twenty-five thousand, five hundred forty-nine".