2198226636 has 36 divisors (see below), whose sum is σ = 5599057464. Its totient is φ = 727147200.

The previous prime is 2198226623. The next prime is 2198226677. The reversal of 2198226636 is 6366228912.

2198226636 is a `hidden beast` number, since 2 + 1 + 9 + 8 + 2 + 2 + 6 + 636 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 2198226591 and 2198226600.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228345 + ... + 237776.

It is an arithmetic number, because the mean of its divisors is an integer number (155529374).

Almost surely, 2^2198226636 is an apocalyptic number.

It is an amenable number.

2198226636 is an abundant number, since it is smaller than the sum of its proper divisors (3400830828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2198226636 is a wasteful number, since it uses less digits than its factorization.

2198226636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466262 (or 466257 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 2198226636 is about 46885.2496634069. The cubic root of 2198226636 is about 1300.2418950265.

The spelling of 2198226636 in words is "two billion, one hundred ninety-eight million, two hundred twenty-six thousand, six hundred thirty-six".