4422819 has 12 divisors (see below), whose sum is σ = 6110936. Its totient is φ = 2845248.

The previous prime is 4422811. The next prime is 4422823. The reversal of 4422819 is 9182244.

It is not a de Polignac number, because 4422819 - 2³ = 4422811 is a prime.

It is a super-2 number, since 2×4422819² = 39122655813522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

4422819 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4422811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1647 + ... + 3399.

Almost surely, 2^4422819 is an apocalyptic number.

4422819 is a deficient number, since it is larger than the sum of its proper divisors (1688117).

4422819 is a wasteful number, since it uses less digits than its factorization.

4422819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814 (or 1785 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 4422819 is about 2103.0499280806. The cubic root of 4422819 is about 164.1470399491.

The spelling of 4422819 in words is "four million, four hundred twenty-two thousand, eight hundred nineteen".