4721822 has 16 divisors (see below), whose sum is σ = 8125440. Its totient is φ = 2015928.

The previous prime is 4721819. The next prime is 4721839. The reversal of 4721822 is 2281274.

It is a junction number, because it is equal to n+sod(n) for n = 4721791 and 4721800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4679 + ... + 5597.

It is an arithmetic number, because the mean of its divisors is an integer number (507840).

Almost surely, 2^4721822 is an apocalyptic number.

4721822 is a deficient number, since it is larger than the sum of its proper divisors (3403618).

4721822 is a wasteful number, since it uses less digits than its factorization.

4721822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295.

The product of its digits is 1792, while the sum is 26.

The square root of 4721822 is about 2172.9753795200. The cubic root of 4721822 is about 167.7657117797.

The spelling of 4721822 in words is "four million, seven hundred twenty-one thousand, eight hundred twenty-two".