42422533 has 2 divisors, whose sum is σ = 42422534. Its totient is φ = 42422532.

The previous prime is 42422521. The next prime is 42422581. The reversal of 42422533 is 33522424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42419169 + 3364 = 6513^2 + 58^2 .

It is a cyclic number.

It is not a de Polignac number, because 42422533 - 2²¹ = 40325381 is a prime.

It is a super-2 number, since 2×42422533² = 3599342612272178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42422498 and 42422507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42422503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21211266 + 21211267.

It is an arithmetic number, because the mean of its divisors is an integer number (21211267).

Almost surely, 2^42422533 is an apocalyptic number.

It is an amenable number.

42422533 is a deficient number, since it is larger than the sum of its proper divisors (1).

42422533 is an equidigital number, since it uses as much as digits as its factorization.

42422533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 25.

The square root of 42422533 is about 6513.2582476054. The cubic root of 42422533 is about 348.7644406776.

Adding to 42422533 its reverse (33522424), we get a palindrome (75944957).

The spelling of 42422533 in words is "forty-two million, four hundred twenty-two thousand, five hundred thirty-three".