224628931 has 2 divisors, whose sum is σ = 224628932. Its totient is φ = 224628930.

The previous prime is 224628907. The next prime is 224629049. The reversal of 224628931 is 139826422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224628931 - 2²⁷ = 90411203 is a prime.

It is a super-2 number, since 2×224628931² = 100916313284405522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (224628331) 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 as a sum of consecutive naturals, namely, 112314465 + 112314466.

It is an arithmetic number, because the mean of its divisors is an integer number (112314466).

Almost surely, 2^224628931 is an apocalyptic number.

224628931 is a deficient number, since it is larger than the sum of its proper divisors (1).

224628931 is an equidigital number, since it uses as much as digits as its factorization.

224628931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 37.

The square root of 224628931 is about 14987.6259294126. The cubic root of 224628931 is about 607.8856575649.

The spelling of 224628931 in words is "two hundred twenty-four million, six hundred twenty-eight thousand, nine hundred thirty-one".