211219330 has 16 divisors (see below), whose sum is σ = 434508480. Its totient is φ = 72418032.

The previous prime is 211219301. The next prime is 211219367. The reversal of 211219330 is 33912112.

211219330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211219330² = 89227210731297800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1508640 + ... + 1508779.

It is an arithmetic number, because the mean of its divisors is an integer number (27156780).

Almost surely, 2^211219330 is an apocalyptic number.

211219330 is an abundant number, since it is smaller than the sum of its proper divisors (223289150).

211219330 is a wasteful number, since it uses less digits than its factorization.

211219330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3017433.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 211219330 is about 14533.3867353759. The cubic root of 211219330 is about 595.5403889425.

The spelling of 211219330 in words is "two hundred eleven million, two hundred nineteen thousand, three hundred thirty".