212022190 has 32 divisors (see below), whose sum is σ = 397884960. Its totient is φ = 81244800.

The previous prime is 212022157. The next prime is 212022191. The reversal of 212022190 is 91220212.

It is a super-2 number, since 2×212022190² = 89906818104792200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212022191) 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, 35200 + ... + 40780.

It is an arithmetic number, because the mean of its divisors is an integer number (12433905).

Almost surely, 2^212022190 is an apocalyptic number.

212022190 is a deficient number, since it is larger than the sum of its proper divisors (185862770).

212022190 is a wasteful number, since it uses less digits than its factorization.

212022190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5748.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 212022190 is about 14560.9817663508. The cubic root of 212022190 is about 596.2939989829.

It can be divided in two parts, 212022 and 190, that added together give a palindrome (212212).

The spelling of 212022190 in words is "two hundred twelve million, twenty-two thousand, one hundred ninety".