4291222 has 8 divisors (see below), whose sum is σ = 6932016. Its totient is φ = 1980552.

The previous prime is 4291219. The next prime is 4291249. The reversal of 4291222 is 2221924.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4291193 and 4291202.

It is a congruent number.

It is an unprimeable 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, 82498 + ... + 82549.

It is an arithmetic number, because the mean of its divisors is an integer number (866502).

Almost surely, 2^4291222 is an apocalyptic number.

4291222 is a deficient number, since it is larger than the sum of its proper divisors (2640794).

4291222 is a wasteful number, since it uses less digits than its factorization.

4291222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165062.

The product of its digits is 576, while the sum is 22.

The square root of 4291222 is about 2071.5264902965. The cubic root of 4291222 is about 162.5026050864.

The spelling of 4291222 in words is "four million, two hundred ninety-one thousand, two hundred twenty-two".