2226547 has 2 divisors, whose sum is σ = 2226548. Its totient is φ = 2226546.

The previous prime is 2226529. The next prime is 2226557. The reversal of 2226547 is 7456222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2226547 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2226517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113273 + 1113274.

It is an arithmetic number, because the mean of its divisors is an integer number (1113274).

2^2226547 is an apocalyptic number.

2226547 is the 862-nd hex number.

2226547 is a deficient number, since it is larger than the sum of its proper divisors (1).

2226547 is an equidigital number, since it uses as much as digits as its factorization.

2226547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 28.

The square root of 2226547 is about 1492.1618544917. The cubic root of 2226547 is about 130.5801878443.

It can be divided in two parts, 22 and 26547, that added together give a square (26569 = 163²).

The spelling of 2226547 in words is "two million, two hundred twenty-six thousand, five hundred forty-seven".