4202244 has 36 divisors (see below), whose sum is σ = 10726716. Its totient is φ = 1387008.

The previous prime is 4202227. The next prime is 4202257. The reversal of 4202244 is 4422024.

4202244 is a `hidden beast` number, since 420 + 2 + 244 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1988100 + 2214144 = 1410^2 + 1488^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3552 + ... + 4584.

Almost surely, 2^4202244 is an apocalyptic number.

It is an amenable number.

4202244 is an abundant number, since it is smaller than the sum of its proper divisors (6524472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4202244 is a wasteful number, since it uses less digits than its factorization.

4202244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4202244 is about 2049.9375600247. The cubic root of 4202244 is about 161.3715938824.

Adding to 4202244 its reverse (4422024), we get a palindrome (8624268).

The spelling of 4202244 in words is "four million, two hundred two thousand, two hundred forty-four".