4420542 has 16 divisors (see below), whose sum is σ = 10104192. Its totient is φ = 1263000.

The previous prime is 4420523. The next prime is 4420543. The reversal of 4420542 is 2450244.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52584 + ... + 52667.

It is an arithmetic number, because the mean of its divisors is an integer number (631512).

Almost surely, 2^4420542 is an apocalyptic number.

4420542 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4420542 is an abundant number, since it is smaller than the sum of its proper divisors (5683650).

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

4420542 is a wasteful number, since it uses less digits than its factorization.

4420542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105263.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 4420542 is about 2102.5085017664. The cubic root of 4420542 is about 164.1188658389.

Adding to 4420542 its reverse (2450244), we get a palindrome (6870786).

The spelling of 4420542 in words is "four million, four hundred twenty thousand, five hundred forty-two".