42122255 has 8 divisors (see below), whose sum is σ = 57767712. Its totient is φ = 28883808.

The previous prime is 42122237. The next prime is 42122257. The reversal of 42122255 is 55222124.

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

It is a cyclic number.

It is not a de Polignac number, because 42122255 - 2⁶ = 42122191 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 42122255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42122257) 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, 601712 + ... + 601781.

It is an arithmetic number, because the mean of its divisors is an integer number (7220964).

Almost surely, 2^42122255 is an apocalyptic number.

42122255 is a deficient number, since it is larger than the sum of its proper divisors (15645457).

42122255 is a wasteful number, since it uses less digits than its factorization.

42122255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203505.

The product of its digits is 1600, while the sum is 23.

The square root of 42122255 is about 6490.1660225298. The cubic root of 42122255 is about 347.9396089110.

Adding to 42122255 its reverse (55222124), we get a palindrome (97344379).

The spelling of 42122255 in words is "forty-two million, one hundred twenty-two thousand, two hundred fifty-five".