212042022 has 8 divisors (see below), whose sum is σ = 424084056. Its totient is φ = 70680672.

The previous prime is 212042011. The next prime is 212042023. The reversal of 212042022 is 220240212.

It is a sphenic number, since it is the product of 3 distinct primes.

212042022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 212041992 and 212042010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212042023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17670163 + ... + 17670174.

It is an arithmetic number, because the mean of its divisors is an integer number (53010507).

Almost surely, 2^212042022 is an apocalyptic number.

212042022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212042022 is a wasteful number, since it uses less digits than its factorization.

212042022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35340342.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 212042022 is about 14561.6627484639. The cubic root of 212042022 is about 596.3125903292.

Adding to 212042022 its reverse (220240212), we get a palindrome (432282234).

The spelling of 212042022 in words is "two hundred twelve million, forty-two thousand, twenty-two".