2281691333400 has 72 divisors (see below), whose sum is σ = 7073357836020. Its totient is φ = 608441155520.

The previous prime is 2281691333387. The next prime is 2281691333447. The reversal of 2281691333400 is 43331961822.

It is a super-2 number, since 2×2281691333400² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 36969367 + ... + 37031033.

Almost surely, 2^{2281691333400} is an apocalyptic number.

2281691333400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2281691333400 is an abundant number, since it is smaller than the sum of its proper divisors (4791666502620).

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

2281691333400 is an frugal number, since it uses more digits than its factorization.

2281691333400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123353 (or 61677 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 2281691333400 in words is "two trillion, two hundred eighty-one billion, six hundred ninety-one million, three hundred thirty-three thousand, four hundred".