4521822 has 16 divisors (see below), whose sum is σ = 9111312. Its totient is φ = 1496000.

The previous prime is 4521821. The next prime is 4521827. The reversal of 4521822 is 2281254.

It is a junction number, because it is equal to n+sod(n) for n = 4521792 and 4521801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1929 + ... + 3572.

It is an arithmetic number, because the mean of its divisors is an integer number (569457).

Almost surely, 2^4521822 is an apocalyptic number.

4521822 is an abundant number, since it is smaller than the sum of its proper divisors (4589490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4521822 is a wasteful number, since it uses less digits than its factorization.

4521822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5643.

The product of its digits is 1280, while the sum is 24.

The square root of 4521822 is about 2126.4576177295. The cubic root of 4521822 is about 165.3628013220.

The spelling of 4521822 in words is "four million, five hundred twenty-one thousand, eight hundred twenty-two".