30263222 has 8 divisors (see below), whose sum is σ = 49521672. Its totient is φ = 13756000.

The previous prime is 30263221. The next prime is 30263237. The reversal of 30263222 is 22236203.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 30263194 and 30263203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30263221) 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, 687779 + ... + 687822.

It is an arithmetic number, because the mean of its divisors is an integer number (6190209).

Almost surely, 2^30263222 is an apocalyptic number.

30263222 is a deficient number, since it is larger than the sum of its proper divisors (19258450).

30263222 is a wasteful number, since it uses less digits than its factorization.

30263222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375614.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 30263222 is about 5501.2018686829. The cubic root of 30263222 is about 311.6293744482.

Adding to 30263222 its reverse (22236203), we get a palindrome (52499425).

The spelling of 30263222 in words is "thirty million, two hundred sixty-three thousand, two hundred twenty-two".