1002220198 has 16 divisors (see below), whose sum is σ = 1754648064. Its totient is φ = 420383880.

The previous prime is 1002220183. The next prime is 1002220201. The reversal of 1002220198 is 8910222001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760908 + ... + 762223.

It is an arithmetic number, because the mean of its divisors is an integer number (109665504).

Almost surely, 2^1002220198 is an apocalyptic number.

1002220198 is a deficient number, since it is larger than the sum of its proper divisors (752427866).

1002220198 is a wasteful number, since it uses less digits than its factorization.

1002220198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523187.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1002220198 is about 31657.8615512798. The cubic root of 1002220198 is about 1000.7395189769.

Adding to 1002220198 its reverse (8910222001), we get a palindrome (9912442199).

The spelling of 1002220198 in words is "one billion, two million, two hundred twenty thousand, one hundred ninety-eight".