512222320445 has 8 divisors (see below), whose sum is σ = 670545583200. Its totient is φ = 372525323920.

The previous prime is 512222320397. The next prime is 512222320447. The reversal of 512222320445 is 544023222215.

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

It is not a de Polignac number, because 512222320445 - 2¹⁸ = 512222058301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512222320447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4656566495 + ... + 4656566604.

It is an arithmetic number, because the mean of its divisors is an integer number (83818197900).

Almost surely, 2^512222320445 is an apocalyptic number.

512222320445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

512222320445 is a deficient number, since it is larger than the sum of its proper divisors (158323262755).

512222320445 is a wasteful number, since it uses less digits than its factorization.

512222320445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9313133115.

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 512222320445 in words is "five hundred twelve billion, two hundred twenty-two million, three hundred twenty thousand, four hundred forty-five".