213010022 has 4 divisors (see below), whose sum is σ = 319515036. Its totient is φ = 106505010.

The previous prime is 213010013. The next prime is 213010037. The reversal of 213010022 is 220010312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 213009985 and 213010012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53252504 + ... + 53252507.

It is an arithmetic number, because the mean of its divisors is an integer number (79878759).

Almost surely, 2^213010022 is an apocalyptic number.

213010022 is a deficient number, since it is larger than the sum of its proper divisors (106505014).

213010022 is a wasteful number, since it uses less digits than its factorization.

213010022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106505013.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 213010022 is about 14594.8628633502. The cubic root of 213010022 is about 597.2186283948.

Adding to 213010022 its reverse (220010312), we get a palindrome (433020334).

The spelling of 213010022 in words is "two hundred thirteen million, ten thousand, twenty-two".