42442221202 has 4 divisors (see below), whose sum is σ = 63663331806. Its totient is φ = 21221110600.

The previous prime is 42442221197. The next prime is 42442221323. The reversal of 42442221202 is 20212224424.

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., 40304176081 + 2138045121 = 200759^2 + 46239^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10610555299 + ... + 10610555302.

Almost surely, 2^42442221202 is an apocalyptic number.

42442221202 is a deficient number, since it is larger than the sum of its proper divisors (21221110604).

42442221202 is a wasteful number, since it uses less digits than its factorization.

42442221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21221110603.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 42442221202 its reverse (20212224424), we get a palindrome (62654445626).

It can be divided in two parts, 4244222 and 1202, that added together give a palindrome (4245424).

The spelling of 42442221202 in words is "forty-two billion, four hundred forty-two million, two hundred twenty-one thousand, two hundred two".