4226781 has 8 divisors (see below), whose sum is σ = 6069280. Its totient is φ = 2601072.

The previous prime is 4226767. The next prime is 4226791. The reversal of 4226781 is 1876224.

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

It is not a de Polignac number, because 4226781 - 2¹¹ = 4224733 is a prime.

It is a super-2 number, since 2×4226781² = 35731355243922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4226711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54151 + ... + 54228.

It is an arithmetic number, because the mean of its divisors is an integer number (758660).

Almost surely, 2^4226781 is an apocalyptic number.

It is an amenable number.

4226781 is a deficient number, since it is larger than the sum of its proper divisors (1842499).

4226781 is a wasteful number, since it uses less digits than its factorization.

4226781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108395.

The product of its digits is 5376, while the sum is 30.

The square root of 4226781 is about 2055.9136655025. The cubic root of 4226781 is about 161.6850687004.

The spelling of 4226781 in words is "four million, two hundred twenty-six thousand, seven hundred eighty-one".