222005554 has 8 divisors (see below), whose sum is σ = 338652720. Its totient is φ = 109121316.

The previous prime is 222005543. The next prime is 222005621. The reversal of 222005554 is 455500222.

It is a happy number.

222005554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940584 + ... + 940819.

It is an arithmetic number, because the mean of its divisors is an integer number (42331590).

Almost surely, 2^222005554 is an apocalyptic number.

222005554 is a deficient number, since it is larger than the sum of its proper divisors (116647166).

222005554 is a wasteful number, since it uses less digits than its factorization.

222005554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881464.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 222005554 is about 14899.8508046222. The cubic root of 222005554 is about 605.5099441198.

Adding to 222005554 its reverse (455500222), we get a palindrome (677505776).

The spelling of 222005554 in words is "two hundred twenty-two million, five thousand, five hundred fifty-four".