213013022 has 4 divisors (see below), whose sum is σ = 319519536. Its totient is φ = 106506510.

The previous prime is 213012991. The next prime is 213013049. The reversal of 213013022 is 220310312.

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 = 213012988 and 213013006.

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, 53253254 + ... + 53253257.

It is an arithmetic number, because the mean of its divisors is an integer number (79879884).

Almost surely, 2^213013022 is an apocalyptic number.

213013022 is a deficient number, since it is larger than the sum of its proper divisors (106506514).

213013022 is a wasteful number, since it uses less digits than its factorization.

213013022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106506513.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 213013022 is about 14594.9656388770. The cubic root of 213013022 is about 597.2214320930.

Adding to 213013022 its reverse (220310312), we get a palindrome (433323334).

The spelling of 213013022 in words is "two hundred thirteen million, thirteen thousand, twenty-two".