42422026 has 4 divisors (see below), whose sum is σ = 63633042. Its totient is φ = 21211012.

The previous prime is 42422011. The next prime is 42422027. The reversal of 42422026 is 62022424.

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., 31866025 + 10556001 = 5645^2 + 3249^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42421988 and 42422006.

It is not an unprimeable number, because it can be changed into a prime (42422027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10605505 + ... + 10605508.

Almost surely, 2^42422026 is an apocalyptic number.

42422026 is a deficient number, since it is larger than the sum of its proper divisors (21211016).

42422026 is a wasteful number, since it uses less digits than its factorization.

42422026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21211015.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 42422026 is about 6513.2193268767. The cubic root of 42422026 is about 348.7630512881.

The spelling of 42422026 in words is "forty-two million, four hundred twenty-two thousand, twenty-six".