4220198 has 4 divisors (see below), whose sum is σ = 6330300. Its totient is φ = 2110098.

The previous prime is 4220189. The next prime is 4220207. The reversal of 4220198 is 8910224.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4220189) and next prime (4220207).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055048 + ... + 1055051.

It is an arithmetic number, because the mean of its divisors is an integer number (1582575).

Almost surely, 2^4220198 is an apocalyptic number.

4220198 is a deficient number, since it is larger than the sum of its proper divisors (2110102).

4220198 is a wasteful number, since it uses less digits than its factorization.

4220198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110101.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 4220198 is about 2054.3120502981. The cubic root of 4220198 is about 161.6010862833.

Adding to 4220198 its sum of digits (26), we get a palindrome (4220224).

The spelling of 4220198 in words is "four million, two hundred twenty thousand, one hundred ninety-eight".