2228958 has 20 divisors (see below), whose sum is σ = 4994880. Its totient is φ = 742932.

The previous prime is 2228939. The next prime is 2228959. The reversal of 2228958 is 8598222.

It is a d-powerful number, because it can be written as 2² + 2⁵ + 2¹⁷ + 8² + 9 + 5⁴ + 8⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228959) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6718 + ... + 7041.

It is an arithmetic number, because the mean of its divisors is an integer number (249744).

2^2228958 is an apocalyptic number.

2228958 is an abundant number, since it is smaller than the sum of its proper divisors (2765922).

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

2228958 is a wasteful number, since it uses less digits than its factorization.

2228958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13773 (or 13764 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 2228958 is about 1492.9695241364. The cubic root of 2228958 is about 130.6273034399.

It can be divided in two parts, 222 and 8958, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 2228958 in words is "two million, two hundred twenty-eight thousand, nine hundred fifty-eight".