2281187100 has 36 divisors (see below), whose sum is σ = 6600235544. Its totient is φ = 608316480.

The previous prime is 2281187099. The next prime is 2281187113. The reversal of 2281187100 is 17811822.

It is a happy number.

2281187100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 3801679 + ... + 3802278.

Almost surely, 2^2281187100 is an apocalyptic number.

2281187100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2281187100 is an abundant number, since it is smaller than the sum of its proper divisors (4319048444).

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

2281187100 is a wasteful number, since it uses less digits than its factorization.

2281187100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7603974 (or 7603967 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 30.

The square root of 2281187100 is about 47761.7744645234. The cubic root of 2281187100 is about 1316.3972579876.

Adding to 2281187100 its reverse (17811822), we get a palindrome (2298998922).

The spelling of 2281187100 in words is "two billion, two hundred eighty-one million, one hundred eighty-seven thousand, one hundred".