213022222132 has 6 divisors (see below), whose sum is σ = 372788888738. Its totient is φ = 106511111064.

The previous prime is 213022222111. The next prime is 213022222139. The reversal of 213022222132 is 231222220312.

It can be written as a sum of positive squares in only one way, i.e., 182093372176 + 30928849956 = 426724^2 + 175866^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213022222139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26627777763 + ... + 26627777770.

Almost surely, 2^213022222132 is an apocalyptic number.

It is an amenable number.

213022222132 is a deficient number, since it is larger than the sum of its proper divisors (159766666606).

213022222132 is a wasteful number, since it uses less digits than its factorization.

213022222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53255555537 (or 53255555535 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 213022222132 its reverse (231222220312), we get a palindrome (444244442444).

The spelling of 213022222132 in words is "two hundred thirteen billion, twenty-two million, two hundred twenty-two thousand, one hundred thirty-two".