4218254 has 4 divisors (see below), whose sum is σ = 6327384. Its totient is φ = 2109126.

The previous prime is 4218251. The next prime is 4218271. The reversal of 4218254 is 4528124.

It is a happy number.

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 4 + 2¹³ + 1 + 8² + 2²² + 5⁶ + 4³ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4218251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054562 + ... + 1054565.

It is an arithmetic number, because the mean of its divisors is an integer number (1581846).

Almost surely, 2^4218254 is an apocalyptic number.

4218254 is a deficient number, since it is larger than the sum of its proper divisors (2109130).

4218254 is a wasteful number, since it uses less digits than its factorization.

4218254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109129.

The product of its digits is 2560, while the sum is 26.

The square root of 4218254 is about 2053.8388447003. The cubic root of 4218254 is about 161.5762690621.

The spelling of 4218254 in words is "four million, two hundred eighteen thousand, two hundred fifty-four".