211417230 has 16 divisors (see below), whose sum is σ = 507401424. Its totient is φ = 56377920.

The previous prime is 211417229. The next prime is 211417243. The reversal of 211417230 is 32714112.

It is a junction number, because it is equal to n+sod(n) for n = 211417197 and 211417206.

It is a congruent number.

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, 3523591 + ... + 3523650.

It is an arithmetic number, because the mean of its divisors is an integer number (31712589).

Almost surely, 2^211417230 is an apocalyptic number.

211417230 is an abundant number, since it is smaller than the sum of its proper divisors (295984194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211417230 is a wasteful number, since it uses less digits than its factorization.

211417230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7047251.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 211417230 is about 14540.1936025625. The cubic root of 211417230 is about 595.7263262391.

The spelling of 211417230 in words is "two hundred eleven million, four hundred seventeen thousand, two hundred thirty".