55202222 has 8 divisors (see below), whose sum is σ = 83103096. Its totient is φ = 27501192.

The previous prime is 55202219. The next prime is 55202233. The reversal of 55202222 is 22220255.

It is a happy number.

55202222 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 a junction number, because it is equal to n+sod(n) for n = 55202194 and 55202203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49268 + ... + 50375.

It is an arithmetic number, because the mean of its divisors is an integer number (10387887).

Almost surely, 2^55202222 is an apocalyptic number.

55202222 is a deficient number, since it is larger than the sum of its proper divisors (27900874).

55202222 is a wasteful number, since it uses less digits than its factorization.

55202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99922.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 55202222 is about 7429.8197824712. The cubic root of 55202222 is about 380.7607612556.

Adding to 55202222 its reverse (22220255), we get a palindrome (77422477).

The spelling of 55202222 in words is "fifty-five million, two hundred two thousand, two hundred twenty-two".