222554089 has 4 divisors (see below), whose sum is σ = 235645524. Its totient is φ = 209462656.

The previous prime is 222554081. The next prime is 222554099. The reversal of 222554089 is 980455222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 156050064 + 66504025 = 12492^2 + 8155^2 .

It is a cyclic number.

It is not a de Polignac number, because 222554089 - 2³ = 222554081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222554081) 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 3 ways as a sum of consecutive naturals, for example, 6545692 + ... + 6545725.

It is an arithmetic number, because the mean of its divisors is an integer number (58911381).

Almost surely, 2^222554089 is an apocalyptic number.

It is an amenable number.

222554089 is a deficient number, since it is larger than the sum of its proper divisors (13091435).

222554089 is a wasteful number, since it uses less digits than its factorization.

222554089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13091434.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 222554089 is about 14918.2468474013. The cubic root of 222554089 is about 606.0082352826.

The spelling of 222554089 in words is "two hundred twenty-two million, five hundred fifty-four thousand, eighty-nine".