4390822 has 4 divisors (see below), whose sum is σ = 6586236. Its totient is φ = 2195410.

The previous prime is 4390817. The next prime is 4390823. The reversal of 4390822 is 2280934.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4390823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097704 + ... + 1097707.

It is an arithmetic number, because the mean of its divisors is an integer number (1646559).

Almost surely, 2^4390822 is an apocalyptic number.

4390822 is a deficient number, since it is larger than the sum of its proper divisors (2195414).

4390822 is a wasteful number, since it uses less digits than its factorization.

4390822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195413.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 4390822 is about 2095.4288343917. The cubic root of 4390822 is about 163.7502394962.

The spelling of 4390822 in words is "four million, three hundred ninety thousand, eight hundred twenty-two".