2197816237238 has 16 divisors (see below), whose sum is σ = 3621115998720. Its totient is φ = 995806898856.

The previous prime is 2197816237217. The next prime is 2197816237249. The reversal of 2197816237238 is 8327326187912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257331070 + ... + 1257332817.

It is an arithmetic number, because the mean of its divisors is an integer number (226319749920).

Almost surely, 2^{2197816237238} is an apocalyptic number.

2197816237238 is a deficient number, since it is larger than the sum of its proper divisors (1423299761482).

2197816237238 is a wasteful number, since it uses less digits than its factorization.

2197816237238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514663931.

The product of its digits is 12192768, while the sum is 59.

The spelling of 2197816237238 in words is "two trillion, one hundred ninety-seven billion, eight hundred sixteen million, two hundred thirty-seven thousand, two hundred thirty-eight".