227221029 has 24 divisors (see below), whose sum is σ = 375697920. Its totient is φ = 129631968.

The previous prime is 227221021. The next prime is 227221037. The reversal of 227221029 is 920122722.

227221029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (227221021) and next prime (227221037).

It is not a de Polignac number, because 227221029 - 2³ = 227221021 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 227220993 and 227221011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227221021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42124 + ... + 47210.

It is an arithmetic number, because the mean of its divisors is an integer number (15654080).

Almost surely, 2^227221029 is an apocalyptic number.

It is an amenable number.

227221029 is a deficient number, since it is larger than the sum of its proper divisors (148476891).

227221029 is a wasteful number, since it uses less digits than its factorization.

227221029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5809 (or 5806 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 227221029 is about 15073.8524936394. The cubic root of 227221029 is about 610.2149461978.

The spelling of 227221029 in words is "two hundred twenty-seven million, two hundred twenty-one thousand, twenty-nine".