42206602 has 4 divisors (see below), whose sum is σ = 63309906. Its totient is φ = 21103300.

The previous prime is 42206599. The next prime is 42206621. The reversal of 42206602 is 20660224.

It is a happy number.

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., 38675961 + 3530641 = 6219^2 + 1879^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10551649 + ... + 10551652.

Almost surely, 2^42206602 is an apocalyptic number.

42206602 is a deficient number, since it is larger than the sum of its proper divisors (21103304).

42206602 is a wasteful number, since it uses less digits than its factorization.

42206602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21103303.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 42206602 is about 6496.6608346134. The cubic root of 42206602 is about 348.1716960032.

Adding to 42206602 its reverse (20660224), we get a palindrome (62866826).

The spelling of 42206602 in words is "forty-two million, two hundred six thousand, six hundred two".