43220323222 has 4 divisors (see below), whose sum is σ = 64830484836. Its totient is φ = 21610161610.

The previous prime is 43220323219. The next prime is 43220323291. The reversal of 43220323222 is 22232302234.

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

It is a super-2 number, since 2×43220323222² (a number of 22 digits) contains 22 as substring.

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, 10805080804 + ... + 10805080807.

It is an arithmetic number, because the mean of its divisors is an integer number (16207621209).

Almost surely, 2^43220323222 is an apocalyptic number.

43220323222 is a deficient number, since it is larger than the sum of its proper divisors (21610161614).

43220323222 is a wasteful number, since it uses less digits than its factorization.

43220323222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21610161613.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 43220323222 its reverse (22232302234), we get a palindrome (65452625456).

The spelling of 43220323222 in words is "forty-three billion, two hundred twenty million, three hundred twenty-three thousand, two hundred twenty-two".