4428442 has 4 divisors (see below), whose sum is σ = 6642666. Its totient is φ = 2214220.

The previous prime is 4428439. The next prime is 4428467. The reversal of 4428442 is 2448244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4206601 + 221841 = 2051^2 + 471^2 .

It is a super-2 number, since 2×4428442² = 39222197094728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4428442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107109 + ... + 1107112.

Almost surely, 2^4428442 is an apocalyptic number.

4428442 is a deficient number, since it is larger than the sum of its proper divisors (2214224).

4428442 is a wasteful number, since it uses less digits than its factorization.

4428442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214223.

The product of its digits is 8192, while the sum is 28.

The square root of 4428442 is about 2104.3863713681. The cubic root of 4428442 is about 164.2165738766.

The spelling of 4428442 in words is "four million, four hundred twenty-eight thousand, four hundred forty-two".