8401222 has 4 divisors (see below), whose sum is σ = 12601836. Its totient is φ = 4200610.

The previous prime is 8401219. The next prime is 8401241. The reversal of 8401222 is 2221048.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8401222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100304 + ... + 2100307.

It is an arithmetic number, because the mean of its divisors is an integer number (3150459).

Almost surely, 2^8401222 is an apocalyptic number.

8401222 is a deficient number, since it is larger than the sum of its proper divisors (4200614).

8401222 is a wasteful number, since it uses less digits than its factorization.

8401222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200613.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 8401222 is about 2898.4861565997. The cubic root of 8401222 is about 203.2891283163.

The spelling of 8401222 in words is "eight million, four hundred one thousand, two hundred twenty-two".