211000022 has 32 divisors (see below), whose sum is σ = 358271424. Its totient is φ = 92646400.

The previous prime is 211000021. The next prime is 211000033. The reversal of 211000022 is 220000112.

It is a junction number, because it is equal to n+sod(n) for n = 210999973 and 211000009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211000021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28772 + ... + 35352.

It is an arithmetic number, because the mean of its divisors is an integer number (11195982).

Almost surely, 2^211000022 is an apocalyptic number.

211000022 is a deficient number, since it is larger than the sum of its proper divisors (147271402).

211000022 is a wasteful number, since it uses less digits than its factorization.

211000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6664.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 211000022 is about 14525.8398036052. The cubic root of 211000022 is about 595.3342020048.

Adding to 211000022 its reverse (220000112), we get a palindrome (431000134).

The spelling of 211000022 in words is "two hundred eleven million, twenty-two", and thus it is an aban number.