213400240022 has 8 divisors (see below), whose sum is σ = 320208767256. Its totient is φ = 106663984272.

The previous prime is 213400240021. The next prime is 213400240057. The reversal of 213400240022 is 220042004312.

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

It is a junction number, because it is equal to n+sod(n) for n = 213400239976 and 213400240003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213400240021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18060488 + ... + 18072299.

It is an arithmetic number, because the mean of its divisors is an integer number (40026095907).

Almost surely, 2^213400240022 is an apocalyptic number.

213400240022 is a deficient number, since it is larger than the sum of its proper divisors (106808527234).

213400240022 is a wasteful number, since it uses less digits than its factorization.

213400240022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36135742.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 213400240022 its reverse (220042004312), we get a palindrome (433442244334).

The spelling of 213400240022 in words is "two hundred thirteen billion, four hundred million, two hundred forty thousand, twenty-two".