211222022 has 32 divisors (see below), whose sum is σ = 359251200. Its totient is φ = 92260000.

The previous prime is 211222019. The next prime is 211222057. The reversal of 211222022 is 220222112.

It is a super-2 number, since 2×211222022² = 89229485155536968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211221988 and 211222006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159479 + ... + 160797.

It is an arithmetic number, because the mean of its divisors is an integer number (11226600).

Almost surely, 2^211222022 is an apocalyptic number.

211222022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211222022 is a deficient number, since it is larger than the sum of its proper divisors (148029178).

211222022 is a wasteful number, since it uses less digits than its factorization.

211222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 211222022 is about 14533.4793494194. The cubic root of 211222022 is about 595.5429189949.

Adding to 211222022 its reverse (220222112), we get a palindrome (431444134).

The spelling of 211222022 in words is "two hundred eleven million, two hundred twenty-two thousand, twenty-two".