2270100 has 144 divisors (see below), whose sum is σ = 7999488. Its totient is φ = 485760.

The previous prime is 2270071. The next prime is 2270111. The reversal of 2270100 is 10722.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48277 + ... + 48323.

It is an arithmetic number, because the mean of its divisors is an integer number (55552).

2^2270100 is an apocalyptic number.

2270100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2270100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3999744).

2270100 is an abundant number, since it is smaller than the sum of its proper divisors (5729388).

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

2270100 is a wasteful number, since it uses less digits than its factorization.

2270100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 2270100 is about 1506.6851031320. The cubic root of 2270100 is about 131.4261127904.

Adding to 2270100 its reverse (10722), we get a palindrome (2280822).

The spelling of 2270100 in words is "two million, two hundred seventy thousand, one hundred".