3551322222 has 96 divisors (see below), whose sum is σ = 9195863040. Its totient is φ = 968457600.

The previous prime is 3551322191. The next prime is 3551322263. The reversal of 3551322222 is 2222231553.

It is a super-2 number, since 2×3551322222² = 25223779048942034568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1740679 + ... + 1742717.

It is an arithmetic number, because the mean of its divisors is an integer number (95790240).

Almost surely, 2^3551322222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3551322222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4597931520).

3551322222 is an abundant number, since it is smaller than the sum of its proper divisors (5644540818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3551322222 is a wasteful number, since it uses less digits than its factorization.

3551322222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678 (or 2675 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 3551322222 is about 59592.9712466160. The cubic root of 3551322222 is about 1525.6796715219.

Adding to 3551322222 its reverse (2222231553), we get a palindrome (5773553775).

The spelling of 3551322222 in words is "three billion, five hundred fifty-one million, three hundred twenty-two thousand, two hundred twenty-two".