4221926 has 8 divisors (see below), whose sum is σ = 6608304. Its totient is φ = 2019160.

The previous prime is 4221923. The next prime is 4221941. The reversal of 4221926 is 6291224.

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

It is a junction number, because it is equal to n+sod(n) for n = 4221895 and 4221904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221923) by changing a digit.

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, 45845 + ... + 45936.

It is an arithmetic number, because the mean of its divisors is an integer number (826038).

Almost surely, 2^4221926 is an apocalyptic number.

4221926 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

4221926 is a deficient number, since it is larger than the sum of its proper divisors (2386378).

4221926 is a wasteful number, since it uses less digits than its factorization.

4221926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91806.

The product of its digits is 1728, while the sum is 26.

The square root of 4221926 is about 2054.7325860072. The cubic root of 4221926 is about 161.6231396381.

The spelling of 4221926 in words is "four million, two hundred twenty-one thousand, nine hundred twenty-six".