202246642 has 16 divisors (see below), whose sum is σ = 329945112. Its totient is φ = 92419200.

The previous prime is 202246633. The next prime is 202246643. The reversal of 202246642 is 246642202.

It can be written as a sum of positive squares in 4 ways, for example, as 202236841 + 9801 = 14221^2 + 99^2 .

202246642 is a modest number, since divided by 246642 gives 202 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 202246642.

It is not an unprimeable number, because it can be changed into a prime (202246643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35883 + ... + 41134.

Almost surely, 2^202246642 is an apocalyptic number.

202246642 is a deficient number, since it is larger than the sum of its proper divisors (127698470).

202246642 is a wasteful number, since it uses less digits than its factorization.

202246642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77133.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 202246642 is about 14221.3445918450. The cubic root of 202246642 is about 586.9851395135.

Adding to 202246642 its reverse (246642202), we get a palindrome (448888844).

The spelling of 202246642 in words is "two hundred two million, two hundred forty-six thousand, six hundred forty-two".