30222115 has 32 divisors (see below), whose sum is σ = 47195136. Its totient is φ = 18015360.

The previous prime is 30222109. The next prime is 30222131. The reversal of 30222115 is 51122203.

It is not a de Polignac number, because 30222115 - 2⁹ = 30221603 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 7149 + ... + 10561.

It is an arithmetic number, because the mean of its divisors is an integer number (1474848).

Almost surely, 2^30222115 is an apocalyptic number.

30222115 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30222115 is a deficient number, since it is larger than the sum of its proper divisors (16973021).

30222115 is a wasteful number, since it uses less digits than its factorization.

30222115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3459.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 30222115 is about 5497.4644155283. The cubic root of 30222115 is about 311.4882135241.

Adding to 30222115 its reverse (51122203), we get a palindrome (81344318).

The spelling of 30222115 in words is "thirty million, two hundred twenty-two thousand, one hundred fifteen".