2198404226 has 16 divisors (see below), whose sum is σ = 3372160896. Its totient is φ = 1074411696.

The previous prime is 2198404223. The next prime is 2198404261. The reversal of 2198404226 is 6224048912.

It is a happy number.

It is a super-2 number, since 2×2198404226² = 9665962281789318152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2198404226.

It is not an unprimeable number, because it can be changed into a prime (2198404223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59120 + ... + 88836.

It is an arithmetic number, because the mean of its divisors is an integer number (210760056).

Almost surely, 2^2198404226 is an apocalyptic number.

2198404226 is a deficient number, since it is larger than the sum of its proper divisors (1173756670).

2198404226 is a wasteful number, since it uses less digits than its factorization.

2198404226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30553.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 2198404226 is about 46887.1435043765. The cubic root of 2198404226 is about 1300.2769086653.

The spelling of 2198404226 in words is "two billion, one hundred ninety-eight million, four hundred four thousand, two hundred twenty-six".