2228667 has 12 divisors (see below), whose sum is σ = 3456936. Its totient is φ = 1273440.

The previous prime is 2228663. The next prime is 2228687. The reversal of 2228667 is 7668222.

It is not a de Polignac number, because 2228667 - 2² = 2228663 is a prime.

It is a d-powerful number, because it can be written as 2² + 2¹⁶ + 2¹⁶ + 8⁷ + 6³ + 6³ + 7 .

It is not an unprimeable number, because it can be changed into a prime (2228663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7434 + ... + 7727.

It is an arithmetic number, because the mean of its divisors is an integer number (288078).

2^2228667 is an apocalyptic number.

2228667 is a deficient number, since it is larger than the sum of its proper divisors (1228269).

2228667 is a wasteful number, since it uses less digits than its factorization.

2228667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15178 (or 15171 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 2228667 is about 1492.8720641770. The cubic root of 2228667 is about 130.6216185415.

The spelling of 2228667 in words is "two million, two hundred twenty-eight thousand, six hundred sixty-seven".