42122232385 has 16 divisors (see below), whose sum is σ = 51259046400. Its totient is φ = 33224083776.

The previous prime is 42122232379. The next prime is 42122232403. The reversal of 42122232385 is 58323222124.

It is a cyclic number.

It is not a de Polignac number, because 42122232385 - 2²⁷ = 41988014657 is a prime.

It is a super-2 number, since 2×42122232385² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42122232385.

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, 204852 + ... + 355258.

It is an arithmetic number, because the mean of its divisors is an integer number (3203690400).

Almost surely, 2^42122232385 is an apocalyptic number.

It is an amenable number.

42122232385 is a deficient number, since it is larger than the sum of its proper divisors (9136814015).

42122232385 is a wasteful number, since it uses less digits than its factorization.

42122232385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151200.

The product of its digits is 46080, while the sum is 34.

The spelling of 42122232385 in words is "forty-two billion, one hundred twenty-two million, two hundred thirty-two thousand, three hundred eighty-five".