4021202 has 4 divisors (see below), whose sum is σ = 6031806. Its totient is φ = 2010600.

The previous prime is 4021189. The next prime is 4021207. The reversal of 4021202 is 2021204.

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., 3964081 + 57121 = 1991^2 + 239^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4021207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005299 + ... + 1005302.

Almost surely, 2^4021202 is an apocalyptic number.

4021202 is a deficient number, since it is larger than the sum of its proper divisors (2010604).

4021202 is a wasteful number, since it uses less digits than its factorization.

4021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010603.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 4021202 is about 2005.2934947284. The cubic root of 4021202 is about 159.0200784211.

Adding to 4021202 its reverse (2021204), we get a palindrome (6042406).

The spelling of 4021202 in words is "four million, twenty-one thousand, two hundred two".