2243100 has 36 divisors (see below), whose sum is σ = 6490904. Its totient is φ = 598080.

The previous prime is 2243089. The next prime is 2243107. The reversal of 2243100 is 13422.

It is a super-2 number, since 2×2243100² = 10062995220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3439 + ... + 4038.

2^2243100 is an apocalyptic number.

2243100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2243100 is an abundant number, since it is smaller than the sum of its proper divisors (4247804).

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

2243100 is a wasteful number, since it uses less digits than its factorization.

2243100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7494 (or 7487 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2243100 is about 1497.6982339577. The cubic root of 2243100 is about 130.9029835464.

Adding to 2243100 its reverse (13422), we get a palindrome (2256522).

The spelling of 2243100 in words is "two million, two hundred forty-three thousand, one hundred".