4220505202 has 4 divisors (see below), whose sum is σ = 6330757806. Its totient is φ = 2110252600.

The previous prime is 4220505181. The next prime is 4220505203. The reversal of 4220505202 is 2025050224.

It is a happy number.

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., 2282832841 + 1937672361 = 47779^2 + 44019^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4220505203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055126299 + ... + 1055126302.

Almost surely, 2^4220505202 is an apocalyptic number.

4220505202 is a deficient number, since it is larger than the sum of its proper divisors (2110252604).

4220505202 is a wasteful number, since it uses less digits than its factorization.

4220505202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110252603.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 4220505202 is about 64965.4154300579. The cubic root of 4220505202 is about 1616.0500734513.

Adding to 4220505202 its reverse (2025050224), we get a palindrome (6245555426).

The spelling of 4220505202 in words is "four billion, two hundred twenty million, five hundred five thousand, two hundred two".