8401722 has 16 divisors (see below), whose sum is σ = 19204032. Its totient is φ = 2400480.

The previous prime is 8401721. The next prime is 8401741. The reversal of 8401722 is 2271048.

8401722 is a modest number, since divided by 1722 gives 84 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 8401692 and 8401701.

It is not an unprimeable number, because it can be changed into a prime (8401721) 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, 99979 + ... + 100062.

It is an arithmetic number, because the mean of its divisors is an integer number (1200252).

Almost surely, 2^8401722 is an apocalyptic number.

8401722 is an abundant number, since it is smaller than the sum of its proper divisors (10802310).

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

8401722 is a wasteful number, since it uses less digits than its factorization.

8401722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200053.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 8401722 is about 2898.5724072377. The cubic root of 8401722 is about 203.2931611641.

The spelling of 8401722 in words is "eight million, four hundred one thousand, seven hundred twenty-two".