4202442 has 24 divisors (see below), whose sum is σ = 9443616. Its totient is φ = 1400652.

The previous prime is 4202413. The next prime is 4202447. The reversal of 4202442 is 2442024.

4202442 is a `hidden beast` number, since 420 + 244 + 2 = 666.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4202447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3838 + ... + 4809.

It is an arithmetic number, because the mean of its divisors is an integer number (393484).

Almost surely, 2^4202442 is an apocalyptic number.

4202442 is an abundant number, since it is smaller than the sum of its proper divisors (5241174).

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

4202442 is an equidigital number, since it uses as much as digits as its factorization.

4202442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8664 (or 8652 counting only the distinct ones).

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

The square root of 4202442 is about 2049.9858536097. The cubic root of 4202442 is about 161.3741283278.

Adding to 4202442 its reverse (2442024), we get a palindrome (6644466).

The spelling of 4202442 in words is "four million, two hundred two thousand, four hundred forty-two".