422045155 has 16 divisors (see below), whose sum is σ = 579340224. Its totient is φ = 289134720.

The previous prime is 422045089. The next prime is 422045159. The reversal of 422045155 is 551540224.

It is not a de Polignac number, because 422045155 - 2⁹ = 422044643 is a prime.

It is a super-2 number, since 2×422045155² = 356244225717948050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422045159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37485 + ... + 47425.

It is an arithmetic number, because the mean of its divisors is an integer number (36208764).

Almost surely, 2^422045155 is an apocalyptic number.

422045155 is a deficient number, since it is larger than the sum of its proper divisors (157295069).

422045155 is a wasteful number, since it uses less digits than its factorization.

422045155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11166.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 422045155 is about 20543.7376102792. The cubic root of 422045155 is about 750.1008190393.

Adding to 422045155 its reverse (551540224), we get a palindrome (973585379).

The spelling of 422045155 in words is "four hundred twenty-two million, forty-five thousand, one hundred fifty-five".