213436222 has 4 divisors (see below), whose sum is σ = 320154336. Its totient is φ = 106718110.

The previous prime is 213436213. The next prime is 213436277. The reversal of 213436222 is 222634312.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53359054 + ... + 53359057.

It is an arithmetic number, because the mean of its divisors is an integer number (80038584).

Almost surely, 2^213436222 is an apocalyptic number.

213436222 is a deficient number, since it is larger than the sum of its proper divisors (106718114).

213436222 is a wasteful number, since it uses less digits than its factorization.

213436222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106718113.

The product of its digits is 3456, while the sum is 25.

The square root of 213436222 is about 14609.4565949593. The cubic root of 213436222 is about 597.6166769687.

It can be divided in two parts, 2134362 and 22, that multiplied together give a palindrome (46955964).

The spelling of 213436222 in words is "two hundred thirteen million, four hundred thirty-six thousand, two hundred twenty-two".