4227945 has 16 divisors (see below), whose sum is σ = 6842880. Its totient is φ = 2228864.

The previous prime is 4227931. The next prime is 4227959. The reversal of 4227945 is 5497224.

It is an interprime number because it is at equal distance from previous prime (4227931) and next prime (4227959).

It is a cyclic number.

It is not a de Polignac number, because 4227945 - 2⁸ = 4227689 is a prime.

It is a d-powerful number, because it can be written as 4 + 2⁹ + 2¹⁵ + 7³ + 9 + 4¹¹ + 5 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249 + ... + 2918.

It is an arithmetic number, because the mean of its divisors is an integer number (427680).

Almost surely, 2^4227945 is an apocalyptic number.

It is an amenable number.

4227945 is a deficient number, since it is larger than the sum of its proper divisors (2614935).

4227945 is a wasteful number, since it uses less digits than its factorization.

4227945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264.

The product of its digits is 20160, while the sum is 33.

The square root of 4227945 is about 2056.1967318328. The cubic root of 4227945 is about 161.6999093199.

It can be divided in two parts, 42279 and 45, that added together give a palindrome (42324).

The spelling of 4227945 in words is "four million, two hundred twenty-seven thousand, nine hundred forty-five".