2198536426 has 4 divisors (see below), whose sum is σ = 3297804642. Its totient is φ = 1099268212.

The previous prime is 2198536393. The next prime is 2198536433. The reversal of 2198536426 is 6246358912.

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

It can be written as a sum of positive squares in only one way, i.e., 2105433225 + 93103201 = 45885^2 + 9649^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549634105 + ... + 549634108.

Almost surely, 2^2198536426 is an apocalyptic number.

2198536426 is a deficient number, since it is larger than the sum of its proper divisors (1099268216).

2198536426 is a wasteful number, since it uses less digits than its factorization.

2198536426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099268215.

The product of its digits is 622080, while the sum is 46.

The square root of 2198536426 is about 46888.5532513000. The cubic root of 2198536426 is about 1300.3029719888.

The spelling of 2198536426 in words is "two billion, one hundred ninety-eight million, five hundred thirty-six thousand, four hundred twenty-six".