315444636450222 has 8 divisors (see below), whose sum is σ = 630889272900456. Its totient is φ = 105148212150072.

The previous prime is 315444636450193. The next prime is 315444636450233. The reversal of 315444636450222 is 222054636444513.

It is a sphenic number, since it is the product of 3 distinct primes.

315444636450222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26287053037513 + ... + 26287053037524.

It is an arithmetic number, because the mean of its divisors is an integer number (78861159112557).

Almost surely, 2^{315444636450222} is an apocalyptic number.

315444636450222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

315444636450222 is a wasteful number, since it uses less digits than its factorization.

315444636450222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52574106075042.

The product of its (nonzero) digits is 16588800, while the sum is 51.

The spelling of 315444636450222 in words is "three hundred fifteen trillion, four hundred forty-four billion, six hundred thirty-six million, four hundred fifty thousand, two hundred twenty-two".