2198446147 has 2 divisors, whose sum is σ = 2198446148. Its totient is φ = 2198446146.

The previous prime is 2198446087. The next prime is 2198446177. The reversal of 2198446147 is 7416448912.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2198446147 is a prime.

It is a super-2 number, since 2×2198446147² = 9666330922518291218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2198446097 and 2198446106.

It is not a weakly prime, because it can be changed into another prime (2198446177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099223073 + 1099223074.

It is an arithmetic number, because the mean of its divisors is an integer number (1099223074).

Almost surely, 2^2198446147 is an apocalyptic number.

2198446147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198446147 is an equidigital number, since it uses as much as digits as its factorization.

2198446147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 46.

The square root of 2198446147 is about 46887.5905437675. The cubic root of 2198446147 is about 1300.2851735332.

The spelling of 2198446147 in words is "two billion, one hundred ninety-eight million, four hundred forty-six thousand, one hundred forty-seven".