2225118 has 32 divisors (see below), whose sum is σ = 5253120. Its totient is φ = 614880.

The previous prime is 2225107. The next prime is 2225123. The reversal of 2225118 is 8115222.

It is a happy number.

It is a super-2 number, since 2×2225118² = 9902300227848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2225094 and 2225103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448 + ... + 2156.

It is an arithmetic number, because the mean of its divisors is an integer number (164160).

2^2225118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2225118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2626560).

2225118 is an abundant number, since it is smaller than the sum of its proper divisors (3028002).

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

2225118 is a wasteful number, since it uses less digits than its factorization.

2225118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752.

The product of its digits is 320, while the sum is 21.

The square root of 2225118 is about 1491.6829421831. The cubic root of 2225118 is about 130.5522463692.

The spelling of 2225118 in words is "two million, two hundred twenty-five thousand, one hundred eighteen".