2228629 has 8 divisors (see below), whose sum is σ = 2413152. Its totient is φ = 2046000.

The previous prime is 2228591. The next prime is 2228657. The reversal of 2228629 is 9268222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2228629 - 2⁹ = 2228117 is a prime.

It is a d-powerful number, because it can be written as 2² + 2¹³ + 2¹⁴ + 8² + 6⁸ + 2¹⁹ + 9² .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2228629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2922 + ... + 3604.

It is an arithmetic number, because the mean of its divisors is an integer number (301644).

2^2228629 is an apocalyptic number.

It is an amenable number.

2228629 is a deficient number, since it is larger than the sum of its proper divisors (184523).

2228629 is a wasteful number, since it uses less digits than its factorization.

2228629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947.

The product of its digits is 6912, while the sum is 31.

The square root of 2228629 is about 1492.8593369772. The cubic root of 2228629 is about 130.6208761471.

The spelling of 2228629 in words is "two million, two hundred twenty-eight thousand, six hundred twenty-nine".