51210622455222 has 32 divisors (see below), whose sum is σ = 103418615139840. Its totient is φ = 16903988694720.

The previous prime is 51210622455203. The next prime is 51210622455241. The reversal of 51210622455222 is 22255422601215.

It is an interprime number because it is at equal distance from previous prime (51210622455203) and next prime (51210622455241).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20518554 + ... + 22878642.

It is an arithmetic number, because the mean of its divisors is an integer number (3231831723120).

Almost surely, 2^{51210622455222} is an apocalyptic number.

51210622455222 is an abundant number, since it is smaller than the sum of its proper divisors (52207992684618).

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

51210622455222 is a wasteful number, since it uses less digits than its factorization.

51210622455222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395308.

The product of its (nonzero) digits is 192000, while the sum is 39.

The spelling of 51210622455222 in words is "fifty-one trillion, two hundred ten billion, six hundred twenty-two million, four hundred fifty-five thousand, two hundred twenty-two".