213222053 has 4 divisors (see below), whose sum is σ = 232605888. Its totient is φ = 193838220.

The previous prime is 213222049. The next prime is 213222089. The reversal of 213222053 is 350222312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213222053 - 2² = 213222049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213222013) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 9691901 + ... + 9691922.

It is an arithmetic number, because the mean of its divisors is an integer number (58151472).

Almost surely, 2^213222053 is an apocalyptic number.

It is an amenable number.

213222053 is a deficient number, since it is larger than the sum of its proper divisors (19383835).

213222053 is a wasteful number, since it uses less digits than its factorization.

213222053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19383834.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 213222053 is about 14602.1249481026. The cubic root of 213222053 is about 597.4167205931.

Adding to 213222053 its reverse (350222312), we get a palindrome (563444365).

The spelling of 213222053 in words is "two hundred thirteen million, two hundred twenty-two thousand, fifty-three".