422425155 has 8 divisors (see below), whose sum is σ = 675880272. Its totient is φ = 225293408.

The previous prime is 422425147. The next prime is 422425177. The reversal of 422425155 is 551524224.

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 422425155 - 2³ = 422425147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14080824 + ... + 14080853.

It is an arithmetic number, because the mean of its divisors is an integer number (84485034).

Almost surely, 2^422425155 is an apocalyptic number.

422425155 is a deficient number, since it is larger than the sum of its proper divisors (253455117).

422425155 is a wasteful number, since it uses less digits than its factorization.

422425155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28161685.

The product of its digits is 16000, while the sum is 30.

The square root of 422425155 is about 20552.9840899077. The cubic root of 422425155 is about 750.3258761636.

Adding to 422425155 its reverse (551524224), we get a palindrome (973949379).

The spelling of 422425155 in words is "four hundred twenty-two million, four hundred twenty-five thousand, one hundred fifty-five".