4398622 has 4 divisors (see below), whose sum is σ = 6597936. Its totient is φ = 2199310.

The previous prime is 4398577. The next prime is 4398623. The reversal of 4398622 is 2268934.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2268934 = 2 ⋅1134467.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4398623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099654 + ... + 1099657.

It is an arithmetic number, because the mean of its divisors is an integer number (1649484).

Almost surely, 2^4398622 is an apocalyptic number.

4398622 is a deficient number, since it is larger than the sum of its proper divisors (2199314).

4398622 is a wasteful number, since it uses less digits than its factorization.

4398622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199313.

The product of its digits is 20736, while the sum is 34.

The square root of 4398622 is about 2097.2892027567. The cubic root of 4398622 is about 163.8471458990.

The spelling of 4398622 in words is "four million, three hundred ninety-eight thousand, six hundred twenty-two".