551212033422 has 16 divisors (see below), whose sum is σ = 1104836378832. Its totient is φ = 183335292480.

The previous prime is 551212033399. The next prime is 551212033511. The reversal of 551212033422 is 224330212155.

It is a self number, because there is not a number n which added to its sum of digits gives 551212033422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100510029 + ... + 100515512.

It is an arithmetic number, because the mean of its divisors is an integer number (69052273677).

Almost surely, 2^551212033422 is an apocalyptic number.

551212033422 is an abundant number, since it is smaller than the sum of its proper divisors (553624345410).

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

551212033422 is a wasteful number, since it uses less digits than its factorization.

551212033422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201026003.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 551212033422 its reverse (224330212155), we get a palindrome (775542245577).

The spelling of 551212033422 in words is "five hundred fifty-one billion, two hundred twelve million, thirty-three thousand, four hundred twenty-two".