211230022 has 16 divisors (see below), whose sum is σ = 330930432. Its totient is φ = 100928520.

The previous prime is 211229987. The next prime is 211230023. The reversal of 211230022 is 220032112.

211230022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 211229984 and 211230011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211230023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90247 + ... + 92557.

It is an arithmetic number, because the mean of its divisors is an integer number (20683152).

Almost surely, 2^211230022 is an apocalyptic number.

211230022 is a deficient number, since it is larger than the sum of its proper divisors (119700410).

211230022 is a wasteful number, since it uses less digits than its factorization.

211230022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4323.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 211230022 is about 14533.7545734060. The cubic root of 211230022 is about 595.5504375973.

Adding to 211230022 its reverse (220032112), we get a palindrome (431262134).

The spelling of 211230022 in words is "two hundred eleven million, two hundred thirty thousand, twenty-two".