2198452636 has 48 divisors (see below), whose sum is σ = 4046192640. Its totient is φ = 1044074880.

The previous prime is 2198452609. The next prime is 2198452649. The reversal of 2198452636 is 6362548912.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1718245 + ... + 1719523.

It is an arithmetic number, because the mean of its divisors is an integer number (84295680).

Almost surely, 2^2198452636 is an apocalyptic number.

It is an amenable number.

2198452636 is a deficient number, since it is larger than the sum of its proper divisors (1847740004).

2198452636 is a wasteful number, since it uses less digits than its factorization.

2198452636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594 (or 1592 counting only the distinct ones).

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

The square root of 2198452636 is about 46887.6597411302. The cubic root of 2198452636 is about 1300.2864528523.

The spelling of 2198452636 in words is "two billion, one hundred ninety-eight million, four hundred fifty-two thousand, six hundred thirty-six".