622542423345 has 16 divisors (see below), whose sum is σ = 1020362216832. Its totient is φ = 323924512640.

The previous prime is 622542423343. The next prime is 622542423353. The reversal of 622542423345 is 543324245226.

It is not a de Polignac number, because 622542423345 - 2¹ = 622542423343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 622542423297 and 622542423306.

It is not an unprimeable number, because it can be changed into a prime (622542423343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506131437 + ... + 506132666.

It is an arithmetic number, because the mean of its divisors is an integer number (63772638552).

Almost surely, 2^622542423345 is an apocalyptic number.

It is an amenable number.

622542423345 is a deficient number, since it is larger than the sum of its proper divisors (397819793487).

622542423345 is a wasteful number, since it uses less digits than its factorization.

622542423345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012264152.

The product of its digits is 1382400, while the sum is 42.

The spelling of 622542423345 in words is "six hundred twenty-two billion, five hundred forty-two million, four hundred twenty-three thousand, three hundred forty-five".