2631228 has 24 divisors (see below), whose sum is σ = 6352080. Its totient is φ = 846720.

The previous prime is 2631221. The next prime is 2631241. The reversal of 2631228 is 8221362.

It is a junction number, because it is equal to n+sod(n) for n = 2631198 and 2631207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3433 + ... + 4128.

It is an arithmetic number, because the mean of its divisors is an integer number (264670).

2^2631228 is an apocalyptic number.

It is an amenable number.

2631228 is an abundant number, since it is smaller than the sum of its proper divisors (3720852).

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

2631228 is a wasteful number, since it uses less digits than its factorization.

2631228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7597 (or 7595 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 2631228 is about 1622.1060384574. The cubic root of 2631228 is about 138.0552183980.

The spelling of 2631228 in words is "two million, six hundred thirty-one thousand, two hundred twenty-eight".