405322275 has 12 divisors (see below), whose sum is σ = 670132952. Its totient is φ = 216171840.

The previous prime is 405322273. The next prime is 405322289. The reversal of 405322275 is 572223504.

It is not a de Polignac number, because 405322275 - 2¹ = 405322273 is a prime.

It is a super-2 number, since 2×405322275² = 328572293222351250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405322273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2702074 + ... + 2702223.

Almost surely, 2^405322275 is an apocalyptic number.

405322275 is a deficient number, since it is larger than the sum of its proper divisors (264810677).

405322275 is a wasteful number, since it uses less digits than its factorization.

405322275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5404310 (or 5404305 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 405322275 is about 20132.6171920096. The cubic root of 405322275 is about 740.0598168106.

Adding to 405322275 its reverse (572223504), we get a palindrome (977545779).

The spelling of 405322275 in words is "four hundred five million, three hundred twenty-two thousand, two hundred seventy-five".