30226189 has 10 divisors (see below), whose sum is σ = 35264590. Its totient is φ = 25906104.

The previous prime is 30226121. The next prime is 30226201. The reversal of 30226189 is 98162203.

It can be written as a sum of positive squares in only one way, i.e., 19448100 + 10778089 = 4410^2 + 3283^2 .

It is a de Polignac number, because none of the positive numbers 2^k-30226189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30226189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30226489) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3894 + ... + 8695.

It is an arithmetic number, because the mean of its divisors is an integer number (3526459).

Almost surely, 2^30226189 is an apocalyptic number.

It is an amenable number.

30226189 is a deficient number, since it is larger than the sum of its proper divisors (5038401).

30226189 is an frugal number, since it uses more digits than its factorization.

30226189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12617 (or 12596 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 30226189 is about 5497.8349375004. The cubic root of 30226189 is about 311.5022093013.

The spelling of 30226189 in words is "thirty million, two hundred twenty-six thousand, one hundred eighty-nine".