4421642 has 8 divisors (see below), whose sum is σ = 6981600. Its totient is φ = 2094444.

The previous prime is 4421633. The next prime is 4421653. The reversal of 4421642 is 2461244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58142 + ... + 58217.

It is an arithmetic number, because the mean of its divisors is an integer number (872700).

Almost surely, 2^4421642 is an apocalyptic number.

4421642 is a deficient number, since it is larger than the sum of its proper divisors (2559958).

4421642 is a wasteful number, since it uses less digits than its factorization.

4421642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116380.

The product of its digits is 1536, while the sum is 23.

The square root of 4421642 is about 2102.7700777784. The cubic root of 4421642 is about 164.1324777278.

Adding to 4421642 its reverse (2461244), we get a palindrome (6882886).

The spelling of 4421642 in words is "four million, four hundred twenty-one thousand, six hundred forty-two".