30838222 has 4 divisors (see below), whose sum is σ = 46257336. Its totient is φ = 15419110.

The previous prime is 30838217. The next prime is 30838231. The reversal of 30838222 is 22283803.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×30838222² = 1901991872242568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7709554 + ... + 7709557.

It is an arithmetic number, because the mean of its divisors is an integer number (11564334).

Almost surely, 2^30838222 is an apocalyptic number.

30838222 is a deficient number, since it is larger than the sum of its proper divisors (15419114).

30838222 is a wasteful number, since it uses less digits than its factorization.

30838222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15419113.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 30838222 is about 5553.2172656938. The cubic root of 30838222 is about 313.5906535180.

The spelling of 30838222 in words is "thirty million, eight hundred thirty-eight thousand, two hundred twenty-two".