2228767 has 4 divisors (see below), whose sum is σ = 2250936. Its totient is φ = 2206600.

The previous prime is 2228753. The next prime is 2228771. The reversal of 2228767 is 7678222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2228767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10933 + ... + 11134.

It is an arithmetic number, because the mean of its divisors is an integer number (562734).

2^2228767 is an apocalyptic number.

2228767 is a deficient number, since it is larger than the sum of its proper divisors (22169).

2228767 is a wasteful number, since it uses less digits than its factorization.

2228767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22168.

The product of its digits is 18816, while the sum is 34.

The square root of 2228767 is about 1492.9055562895. The cubic root of 2228767 is about 130.6235721706.

The spelling of 2228767 in words is "two million, two hundred twenty-eight thousand, seven hundred sixty-seven".