51415202202222 has 16 divisors (see below), whose sum is σ = 102832107253200. Its totient is φ = 17138116925952.

The previous prime is 51415202202209. The next prime is 51415202202289. The reversal of 51415202202222 is 22220220251415.

It is a self number, because there is not a number n which added to its sum of digits gives 51415202202222.

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, 70559347 + ... + 71284302.

It is an arithmetic number, because the mean of its divisors is an integer number (6427006703325).

Almost surely, 2^{51415202202222} is an apocalyptic number.

51415202202222 is an abundant number, since it is smaller than the sum of its proper divisors (51416905050978).

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

51415202202222 is a wasteful number, since it uses less digits than its factorization.

51415202202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141904067.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 51415202202222 its reverse (22220220251415), we get a palindrome (73635422453637).

The spelling of 51415202202222 in words is "fifty-one trillion, four hundred fifteen billion, two hundred two million, two hundred two thousand, two hundred twenty-two".