42533122 has 4 divisors (see below), whose sum is σ = 63799686. Its totient is φ = 21266560.

The previous prime is 42533089. The next prime is 42533131. The reversal of 42533122 is 22133524.

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

It can be written as a sum of positive squares in only one way, i.e., 39325441 + 3207681 = 6271^2 + 1791^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42533093 and 42533102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10633279 + ... + 10633282.

Almost surely, 2^42533122 is an apocalyptic number.

42533122 is a deficient number, since it is larger than the sum of its proper divisors (21266564).

42533122 is a wasteful number, since it uses less digits than its factorization.

42533122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21266563.

The product of its digits is 1440, while the sum is 22.

The square root of 42533122 is about 6521.7422518833. The cubic root of 42533122 is about 349.0672360833.

Adding to 42533122 its reverse (22133524), we get a palindrome (64666646).

The spelling of 42533122 in words is "forty-two million, five hundred thirty-three thousand, one hundred twenty-two".