4442355 has 24 divisors (see below), whose sum is σ = 8154432. Its totient is φ = 2229504.

The previous prime is 4442327. The next prime is 4442357. The reversal of 4442355 is 5532444.

It is not a de Polignac number, because 4442355 - 2⁸ = 4442099 is a prime.

4442355 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4442357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2139 + ... + 3668.

It is an arithmetic number, because the mean of its divisors is an integer number (339768).

Almost surely, 2^4442355 is an apocalyptic number.

4442355 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4442355 is a deficient number, since it is larger than the sum of its proper divisors (3712077).

4442355 is a wasteful number, since it uses less digits than its factorization.

4442355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835 (or 5832 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 4442355 is about 2107.6894932603. The cubic root of 4442355 is about 164.3883691845.

Adding to 4442355 its reverse (5532444), we get a palindrome (9974799).

The spelling of 4442355 in words is "four million, four hundred forty-two thousand, three hundred fifty-five".