551622522 has 16 divisors (see below), whose sum is σ = 1203540192. Its totient is φ = 167158320.

The previous prime is 551622521. The next prime is 551622523. The reversal of 551622522 is 225226155.

It is an interprime number because it is at equal distance from previous prime (551622521) and next prime (551622523).

It is a self number, because there is not a number n which added to its sum of digits gives 551622522.

It is not an unprimeable number, because it can be changed into a prime (551622521) 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, 4178893 + ... + 4179024.

It is an arithmetic number, because the mean of its divisors is an integer number (75221262).

Almost surely, 2^551622522 is an apocalyptic number.

551622522 is an abundant number, since it is smaller than the sum of its proper divisors (651917670).

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

551622522 is a wasteful number, since it uses less digits than its factorization.

551622522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8357933.

The product of its digits is 12000, while the sum is 30.

The square root of 551622522 is about 23486.6456097928. The cubic root of 551622522 is about 820.1261564773.

Adding to 551622522 its reverse (225226155), we get a palindrome (776848677).

The spelling of 551622522 in words is "five hundred fifty-one million, six hundred twenty-two thousand, five hundred twenty-two".