422523545 has 8 divisors (see below), whose sum is σ = 507650760. Its totient is φ = 337603840.

The previous prime is 422523511. The next prime is 422523553. The reversal of 422523545 is 545325224.

It can be written as a sum of positive squares in 4 ways, for example, as 106110601 + 316412944 = 10301^2 + 17788^2 .

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

It is not a de Polignac number, because 422523545 - 2¹⁰ = 422522521 is a prime.

It is a super-2 number, since 2×422523545² = 357052292158734050, which contains 22 as substring.

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, 47360 + ... + 55569.

It is an arithmetic number, because the mean of its divisors is an integer number (63456345).

Almost surely, 2^422523545 is an apocalyptic number.

It is an amenable number.

422523545 is a deficient number, since it is larger than the sum of its proper divisors (85127215).

422523545 is a wasteful number, since it uses less digits than its factorization.

422523545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103755.

The product of its digits is 48000, while the sum is 32.

The square root of 422523545 is about 20555.3775202500. The cubic root of 422523545 is about 750.3841261921.

Adding to 422523545 its reverse (545325224), we get a palindrome (967848769).

The spelling of 422523545 in words is "four hundred twenty-two million, five hundred twenty-three thousand, five hundred forty-five".