1220196998 has 16 divisors (see below), whose sum is σ = 1938615120. Its totient is φ = 574016256.

The previous prime is 1220196961. The next prime is 1220197021. The reversal of 1220196998 is 8996910221.

It is a super-3 number, since 3×1220196998³ (a number of 28 digits) contains 333 as substring.

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, 170333 + ... + 177351.

It is an arithmetic number, because the mean of its divisors is an integer number (121163445).

Almost surely, 2^1220196998 is an apocalyptic number.

1220196998 is a deficient number, since it is larger than the sum of its proper divisors (718418122).

1220196998 is a wasteful number, since it uses less digits than its factorization.

1220196998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12151.

The product of its (nonzero) digits is 139968, while the sum is 47.

The square root of 1220196998 is about 34931.3182974820. The cubic root of 1220196998 is about 1068.5872402283.

The spelling of 1220196998 in words is "one billion, two hundred twenty million, one hundred ninety-six thousand, nine hundred ninety-eight".