551210100722 has 6 divisors (see below), whose sum is σ = 826816726029. Its totient is φ = 275604525380.

The previous prime is 551210100691. The next prime is 551210100751. The reversal of 551210100722 is 227001012155.

551210100722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 484748745121 + 66461355601 = 696239^2 + 257801^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=524981.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551210100691 and 551210100700.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 787472 + ... + 1312452.

Almost surely, 2^551210100722 is an apocalyptic number.

551210100722 is a deficient number, since it is larger than the sum of its proper divisors (275606625307).

551210100722 is an frugal number, since it uses more digits than its factorization.

551210100722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049964 (or 524983 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

Adding to 551210100722 its reverse (227001012155), we get a palindrome (778211112877).

The spelling of 551210100722 in words is "five hundred fifty-one billion, two hundred ten million, one hundred thousand, seven hundred twenty-two".