2222405550 has 108 divisors (see below), whose sum is σ = 6115238064. Its totient is φ = 578642400.

The previous prime is 2222405513. The next prime is 2222405557. The reversal of 2222405550 is 555042222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222405557) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 830715 + ... + 833385.

Almost surely, 2^2222405550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2222405550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3057619032).

2222405550 is an abundant number, since it is smaller than the sum of its proper divisors (3892832514).

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

2222405550 is a wasteful number, since it uses less digits than its factorization.

2222405550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775 (or 2724 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 2222405550 is about 47142.3965237237. The cubic root of 2222405550 is about 1304.9917646021.

Adding to 2222405550 its reverse (555042222), we get a palindrome (2777447772).

The spelling of 2222405550 in words is "two billion, two hundred twenty-two million, four hundred five thousand, five hundred fifty".