30866122 has 32 divisors (see below), whose sum is σ = 54996480. Its totient is φ = 12718080.

The previous prime is 30866093. The next prime is 30866149. The reversal of 30866122 is 22166803.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39754 + ... + 40522.

It is an arithmetic number, because the mean of its divisors is an integer number (1718640).

Almost surely, 2^30866122 is an apocalyptic number.

30866122 is a deficient number, since it is larger than the sum of its proper divisors (24130358).

30866122 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (30866121) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (886).

30866122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 30866122 is about 5555.7287550780. The cubic root of 30866122 is about 313.6851957394.

It can be divided in two parts, 308 and 66122, that added together give a triangular number (66430 = T₃₆₄).

The spelling of 30866122 in words is "thirty million, eight hundred sixty-six thousand, one hundred twenty-two".