2451228 has 48 divisors (see below), whose sum is σ = 6491520. Its totient is φ = 713664.

The previous prime is 2451223. The next prime is 2451233. The reversal of 2451228 is 8221542.

2451228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2451223) and next prime (2451233).

It is a junction number, because it is equal to n+sod(n) for n = 2451198 and 2451207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2551 + ... + 3377.

It is an arithmetic number, because the mean of its divisors is an integer number (135240).

2^2451228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2451228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3245760).

2451228 is an abundant number, since it is smaller than the sum of its proper divisors (4040292).

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

2451228 is a wasteful number, since it uses less digits than its factorization.

2451228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 864 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 2451228 is about 1565.6398053192. The cubic root of 2451228 is about 134.8324945804.

The spelling of 2451228 in words is "two million, four hundred fifty-one thousand, two hundred twenty-eight".