122221702243 has 4 divisors (see below), whose sum is σ = 124225336768. Its totient is φ = 120218067720.

The previous prime is 122221702223. The next prime is 122221702247. The reversal of 122221702243 is 342207122221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342207122221 = 1399 ⋅244608379.

It is a cyclic number.

It is not a de Polignac number, because 122221702243 - 2¹³ = 122221694051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122221702247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001817171 + ... + 1001817292.

It is an arithmetic number, because the mean of its divisors is an integer number (31056334192).

Almost surely, 2^122221702243 is an apocalyptic number.

122221702243 is a deficient number, since it is larger than the sum of its proper divisors (2003634525).

122221702243 is an equidigital number, since it uses as much as digits as its factorization.

122221702243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003634524.

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 122221702243 its reverse (342207122221), we get a palindrome (464428824464).

It can be divided in two parts, 122221 and 702243, that added together give a square (824464 = 908²).

The spelling of 122221702243 in words is "one hundred twenty-two billion, two hundred twenty-one million, seven hundred two thousand, two hundred forty-three".