22420042202 has 4 divisors (see below), whose sum is σ = 33630063306. Its totient is φ = 11210021100.

The previous prime is 22420042159. The next prime is 22420042213. The reversal of 22420042202 is 20224002422.

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., 22180442761 + 239599441 = 148931^2 + 15479^2 .

It is a super-2 number, since 2×22420042202² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605010549 + ... + 5605010552.

Almost surely, 2^22420042202 is an apocalyptic number.

22420042202 is a deficient number, since it is larger than the sum of its proper divisors (11210021104).

22420042202 is a wasteful number, since it uses less digits than its factorization.

22420042202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11210021103.

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

Adding to 22420042202 its reverse (20224002422), we get a palindrome (42644044624).

The spelling of 22420042202 in words is "twenty-two billion, four hundred twenty million, forty-two thousand, two hundred two".