5551217122 has 32 divisors (see below), whose sum is σ = 9216970560. Its totient is φ = 2486449920.

The previous prime is 5551217083. The next prime is 5551217123. The reversal of 5551217122 is 2217121555.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5551217123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 743118 + ... + 750550.

It is an arithmetic number, because the mean of its divisors is an integer number (288030330).

Almost surely, 2^5551217122 is an apocalyptic number.

5551217122 is a deficient number, since it is larger than the sum of its proper divisors (3665753438).

5551217122 is a wasteful number, since it uses less digits than its factorization.

5551217122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7938.

The product of its digits is 7000, while the sum is 31.

The square root of 5551217122 is about 74506.4904689518. The cubic root of 5551217122 is about 1770.6364678846.

Adding to 5551217122 its reverse (2217121555), we get a palindrome (7768338677).

The spelling of 5551217122 in words is "five billion, five hundred fifty-one million, two hundred seventeen thousand, one hundred twenty-two".