211030224 has 20 divisors (see below), whose sum is σ = 545161536. Its totient is φ = 70343392.

The previous prime is 211030219. The next prime is 211030229. The reversal of 211030224 is 422030112.

It is an interprime number because it is at equal distance from previous prime (211030219) and next prime (211030229).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211030229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2198184 + ... + 2198279.

Almost surely, 2^211030224 is an apocalyptic number.

211030224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

211030224 is an abundant number, since it is smaller than the sum of its proper divisors (334131312).

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

211030224 is a wasteful number, since it uses less digits than its factorization.

211030224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4396474 (or 4396468 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 211030224 is about 14526.8793620653. The cubic root of 211030224 is about 595.3626055181.

Adding to 211030224 its reverse (422030112), we get a palindrome (633060336).

The spelling of 211030224 in words is "two hundred eleven million, thirty thousand, two hundred twenty-four".