422601145 has 16 divisors (see below), whose sum is σ = 536256000. Its totient is φ = 319190400.

The previous prime is 422601077. The next prime is 422601163. The reversal of 422601145 is 541106224.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-422601145 is a prime.

It is a super-2 number, since 2×422601145² = 357183455510622050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26895 + ... + 39604.

It is an arithmetic number, because the mean of its divisors is an integer number (33516000).

Almost surely, 2^422601145 is an apocalyptic number.

It is an amenable number.

422601145 is a deficient number, since it is larger than the sum of its proper divisors (113654855).

422601145 is a wasteful number, since it uses less digits than its factorization.

422601145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66576.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 422601145 is about 20557.2650175066. The cubic root of 422601145 is about 750.4300614972.

Adding to 422601145 its reverse (541106224), we get a palindrome (963707369).

The spelling of 422601145 in words is "four hundred twenty-two million, six hundred one thousand, one hundred forty-five".