42420022202 has 4 divisors (see below), whose sum is σ = 63630033306. Its totient is φ = 21210011100.

The previous prime is 42420022189. The next prime is 42420022217. The reversal of 42420022202 is 20222002424.

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., 41648238241 + 771783961 = 204079^2 + 27781^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10605005549 + ... + 10605005552.

Almost surely, 2^42420022202 is an apocalyptic number.

42420022202 is a deficient number, since it is larger than the sum of its proper divisors (21210011104).

42420022202 is a wasteful number, since it uses less digits than its factorization.

42420022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21210011103.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 42420022202 its reverse (20222002424), we get a palindrome (62642024626).

The spelling of 42420022202 in words is "forty-two billion, four hundred twenty million, twenty-two thousand, two hundred two".