4220894 has 8 divisors (see below), whose sum is σ = 6340248. Its totient is φ = 2107480.

The previous prime is 4220893. The next prime is 4220911. The reversal of 4220894 is 4980224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220893) 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, 1469 + ... + 3255.

It is an arithmetic number, because the mean of its divisors is an integer number (792531).

Almost surely, 2^4220894 is an apocalyptic number.

4220894 is a deficient number, since it is larger than the sum of its proper divisors (2119354).

4220894 is a wasteful number, since it uses less digits than its factorization.

4220894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 4220894 is about 2054.4814430897. The cubic root of 4220894 is about 161.6099696084.

The spelling of 4220894 in words is "four million, two hundred twenty thousand, eight hundred ninety-four".