5501001222 has 16 divisors (see below), whose sum is σ = 12224447280. Its totient is φ = 1833667056.

The previous prime is 5501001217. The next prime is 5501001227. The reversal of 5501001222 is 2221001055.

5501001222 is a `hidden beast` number, since 550 + 100 + 12 + 2 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (5501001217) and next prime (5501001227).

It is a super-2 number, since 2×5501001222² = 60522028888890986568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 5501001195 and 5501001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5501001227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50935143 + ... + 50935250.

It is an arithmetic number, because the mean of its divisors is an integer number (764027955).

Almost surely, 2^5501001222 is an apocalyptic number.

5501001222 is an abundant number, since it is smaller than the sum of its proper divisors (6723446058).

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

5501001222 is a wasteful number, since it uses less digits than its factorization.

5501001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101870404 (or 101870398 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 5501001222 is about 74168.7348011276. The cubic root of 5501001222 is about 1765.2812721466.

Adding to 5501001222 its reverse (2221001055), we get a palindrome (7722002277).

The spelling of 5501001222 in words is "five billion, five hundred one million, one thousand, two hundred twenty-two".