55233146222 has 4 divisors (see below), whose sum is σ = 82849719336. Its totient is φ = 27616573110.

The previous prime is 55233146209. The next prime is 55233146237. The reversal of 55233146222 is 22264133255.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13808286554 + ... + 13808286557.

It is an arithmetic number, because the mean of its divisors is an integer number (20712429834).

Almost surely, 2^55233146222 is an apocalyptic number.

55233146222 is a deficient number, since it is larger than the sum of its proper divisors (27616573114).

55233146222 is a wasteful number, since it uses less digits than its factorization.

55233146222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27616573113.

The product of its digits is 86400, while the sum is 35.

Adding to 55233146222 its reverse (22264133255), we get a palindrome (77497279477).

The spelling of 55233146222 in words is "fifty-five billion, two hundred thirty-three million, one hundred forty-six thousand, two hundred twenty-two".