42200402 has 8 divisors (see below), whose sum is σ = 64495116. Its totient is φ = 20702032.

The previous prime is 42200381. The next prime is 42200429. The reversal of 42200402 is 20400224.

It is a happy number.

42200402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 36348841 + 5851561 = 6029^2 + 2419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198953 + ... + 199164.

Almost surely, 2^42200402 is an apocalyptic number.

42200402 is a deficient number, since it is larger than the sum of its proper divisors (22294714).

42200402 is a wasteful number, since it uses less digits than its factorization.

42200402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398172.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 42200402 is about 6496.1836488819. The cubic root of 42200402 is about 348.1546467730.

Adding to 42200402 its reverse (20400224), we get a palindrome (62600626).

The spelling of 42200402 in words is "forty-two million, two hundred thousand, four hundred two".