4218202 has 4 divisors (see below), whose sum is σ = 6327306. Its totient is φ = 2109100.

The previous prime is 4218199. The next prime is 4218241. The reversal of 4218202 is 2028124.

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., 2893401 + 1324801 = 1701^2 + 1151^2 .

It is a super-2 number, since 2×4218202² = 35586456225608, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4218202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054549 + ... + 1054552.

Almost surely, 2^4218202 is an apocalyptic number.

4218202 is a deficient number, since it is larger than the sum of its proper divisors (2109104).

4218202 is a wasteful number, since it uses less digits than its factorization.

4218202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109103.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 4218202 is about 2053.8261854402. The cubic root of 4218202 is about 161.5756051223.

The spelling of 4218202 in words is "four million, two hundred eighteen thousand, two hundred two".