801622 has 8 divisors (see below), whose sum is σ = 1213416. Its totient is φ = 397152.

The previous prime is 801617. The next prime is 801631. The reversal of 801622 is 226108.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 801622.

It is a congruent number.

It is an unprimeable number.

801622 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1548 + ... + 1999.

It is an arithmetic number, because the mean of its divisors is an integer number (151677).

2⁸⁰¹⁶²² is an apocalyptic number.

801622 is a deficient number, since it is larger than the sum of its proper divisors (411794).

801622 is a wasteful number, since it uses less digits than its factorization.

801622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3662.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 801622 is about 895.3334574336. Note that the first 3 decimals coincide. The cubic root of 801622 is about 92.8944731280.

The spelling of 801622 in words is "eight hundred one thousand, six hundred twenty-two".