2209653398 has 4 divisors (see below), whose sum is σ = 3314480100. Its totient is φ = 1104826698.

The previous prime is 2209653389. The next prime is 2209653449. The reversal of 2209653398 is 8933569022.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552413348 + ... + 552413351.

It is an arithmetic number, because the mean of its divisors is an integer number (828620025).

Almost surely, 2^2209653398 is an apocalyptic number.

2209653398 is a deficient number, since it is larger than the sum of its proper divisors (1104826702).

2209653398 is a wasteful number, since it uses less digits than its factorization.

2209653398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104826701.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 2209653398 is about 47006.9505286186. The cubic root of 2209653398 is about 1302.4909632037.

The spelling of 2209653398 in words is "two billion, two hundred nine million, six hundred fifty-three thousand, three hundred ninety-eight".