211030022 has 16 divisors (see below), whose sum is σ = 362396160. Its totient is φ = 90283848.

The previous prime is 211029997. The next prime is 211030063. The reversal of 211030022 is 220030112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211029985 and 211030012.

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, 4622 + ... + 21057.

It is an arithmetic number, because the mean of its divisors is an integer number (22649760).

Almost surely, 2^211030022 is an apocalyptic number.

211030022 is a deficient number, since it is larger than the sum of its proper divisors (151366138).

211030022 is a wasteful number, since it uses less digits than its factorization.

211030022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26275.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 211030022 is about 14526.8724094349. The cubic root of 211030022 is about 595.3624155559.

Adding to 211030022 its reverse (220030112), we get a palindrome (431060134).

The spelling of 211030022 in words is "two hundred eleven million, thirty thousand, twenty-two".