4228931 has 8 divisors (see below), whose sum is σ = 4859904. Its totient is φ = 3604680.

The previous prime is 4228907. The next prime is 4228951. The reversal of 4228931 is 1398224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4228931 is a prime.

It is a super-2 number, since 2×4228931² = 35767714805522, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4⁵ + 2¹⁴ + 2²² + 8⁴ + 9⁴ + 3⁸ + 1 .

It is a junction number, because it is equal to n+sod(n) for n = 4228894 and 4228903.

It is not an unprimeable number, because it can be changed into a prime (4228901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245 + ... + 2918.

It is an arithmetic number, because the mean of its divisors is an integer number (607488).

Almost surely, 2^4228931 is an apocalyptic number.

4228931 is a deficient number, since it is larger than the sum of its proper divisors (630973).

4228931 is a wasteful number, since it uses less digits than its factorization.

4228931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361.

The product of its digits is 3456, while the sum is 29.

The square root of 4228931 is about 2056.4364809057. The cubic root of 4228931 is about 161.7124783669.

The spelling of 4228931 in words is "four million, two hundred twenty-eight thousand, nine hundred thirty-one".