4229861 has 4 divisors (see below), whose sum is σ = 4413792. Its totient is φ = 4045932.

The previous prime is 4229851. The next prime is 4229873. The reversal of 4229861 is 1689224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4229861 - 2¹⁰ = 4228837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4229851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91931 + ... + 91976.

It is an arithmetic number, because the mean of its divisors is an integer number (1103448).

Almost surely, 2^4229861 is an apocalyptic number.

It is an amenable number.

4229861 is a deficient number, since it is larger than the sum of its proper divisors (183931).

4229861 is a wasteful number, since it uses less digits than its factorization.

4229861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183930.

The product of its digits is 6912, while the sum is 32.

The square root of 4229861 is about 2056.6625877863. The cubic root of 4229861 is about 161.7243317630.

The spelling of 4229861 in words is "four million, two hundred twenty-nine thousand, eight hundred sixty-one".