55222333 has 4 divisors (see below), whose sum is σ = 57623328. Its totient is φ = 52821340.

The previous prime is 55222327. The next prime is 55222339. The reversal of 55222333 is 33322255.

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.

It is an interprime number because it is at equal distance from previous prime (55222327) and next prime (55222339).

It is not a de Polignac number, because 55222333 - 2⁹ = 55221821 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 55222298 and 55222307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55222339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1200463 + ... + 1200508.

It is an arithmetic number, because the mean of its divisors is an integer number (14405832).

Almost surely, 2^55222333 is an apocalyptic number.

It is an amenable number.

55222333 is a deficient number, since it is larger than the sum of its proper divisors (2400995).

55222333 is a wasteful number, since it uses less digits than its factorization.

55222333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400994.

The product of its digits is 5400, while the sum is 25.

The square root of 55222333 is about 7431.1730567926. The cubic root of 55222333 is about 380.8069945996.

Adding to 55222333 its reverse (33322255), we get a palindrome (88544588).

It can be divided in two parts, 55222 and 333, that added together give a palindrome (55555).

The spelling of 55222333 in words is "fifty-five million, two hundred twenty-two thousand, three hundred thirty-three".