422412145 has 4 divisors (see below), whose sum is σ = 506894580. Its totient is φ = 337929712.

The previous prime is 422412103. The next prime is 422412203. The reversal of 422412145 is 541214224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46362481 + 376049664 = 6809^2 + 19392^2 .

It is a cyclic number.

It is not a de Polignac number, because 422412145 - 2¹⁷ = 422281073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42241210 + ... + 42241219.

It is an arithmetic number, because the mean of its divisors is an integer number (126723645).

Almost surely, 2^422412145 is an apocalyptic number.

It is an amenable number.

422412145 is a deficient number, since it is larger than the sum of its proper divisors (84482435).

422412145 is an equidigital number, since it uses as much as digits as its factorization.

422412145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84482434.

The product of its digits is 2560, while the sum is 25.

The square root of 422412145 is about 20552.6675884178. The cubic root of 422412145 is about 750.3181731502.

Adding to 422412145 its reverse (541214224), we get a palindrome (963626369).

The spelling of 422412145 in words is "four hundred twenty-two million, four hundred twelve thousand, one hundred forty-five".