2208493864428 has 48 divisors (see below), whose sum is σ = 5160379499520. Its totient is φ = 735132513024.

The previous prime is 2208493864387. The next prime is 2208493864429. The reversal of 2208493864428 is 8244683948022.

It is a super-2 number, since 2×2208493864428² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2208493864429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62072628 + ... + 62108196.

It is an arithmetic number, because the mean of its divisors is an integer number (107507906240).

Almost surely, 2^{2208493864428} is an apocalyptic number.

It is an amenable number.

2208493864428 is an abundant number, since it is smaller than the sum of its proper divisors (2951885635092).

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

2208493864428 is a wasteful number, since it uses less digits than its factorization.

2208493864428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42686 (or 42684 counting only the distinct ones).

The product of its (nonzero) digits is 42467328, while the sum is 60.

The spelling of 2208493864428 in words is "two trillion, two hundred eight billion, four hundred ninety-three million, eight hundred sixty-four thousand, four hundred twenty-eight".