422133531 has 4 divisors (see below), whose sum is σ = 562844712. Its totient is φ = 281422352.

The previous prime is 422133529. The next prime is 422133533. The reversal of 422133531 is 135331224.

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

It is an interprime number because it is at equal distance from previous prime (422133529) and next prime (422133533).

It is a cyclic number.

It is not a de Polignac number, because 422133531 - 2¹ = 422133529 is a prime.

It is a super-2 number, since 2×422133531² = 356393435989055922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422133533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70355586 + ... + 70355591.

It is an arithmetic number, because the mean of its divisors is an integer number (140711178).

Almost surely, 2^422133531 is an apocalyptic number.

422133531 is a deficient number, since it is larger than the sum of its proper divisors (140711181).

422133531 is a wasteful number, since it uses less digits than its factorization.

422133531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140711180.

The product of its digits is 2160, while the sum is 24.

The square root of 422133531 is about 20545.8884208009. Note that the first 3 decimals coincide. The cubic root of 422133531 is about 750.1531722711.

Adding to 422133531 its reverse (135331224), we get a palindrome (557464755).

The spelling of 422133531 in words is "four hundred twenty-two million, one hundred thirty-three thousand, five hundred thirty-one".