213022025662 has 4 divisors (see below), whose sum is σ = 319533038496. Its totient is φ = 106511012830.

The previous prime is 213022025627. The next prime is 213022025663. The reversal of 213022025662 is 266520220312.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213022025663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53255506414 + ... + 53255506417.

It is an arithmetic number, because the mean of its divisors is an integer number (79883259624).

Almost surely, 2^213022025662 is an apocalyptic number.

213022025662 is a deficient number, since it is larger than the sum of its proper divisors (106511012834).

213022025662 is a wasteful number, since it uses less digits than its factorization.

213022025662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106511012833.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 213022025662 its reverse (266520220312), we get a palindrome (479542245974).

The spelling of 213022025662 in words is "two hundred thirteen billion, twenty-two million, twenty-five thousand, six hundred sixty-two".