22435202142221 has 8 divisors (see below), whose sum is σ = 24616238611104. Its totient is φ = 20277744446320.

The previous prime is 22435202142211. The next prime is 22435202142271. The reversal of 22435202142221 is 12224120253422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22435202142221 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 (22435202142211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5894691251 + ... + 5894695056.

It is an arithmetic number, because the mean of its divisors is an integer number (3077029826388).

Almost surely, 2^{22435202142221} is an apocalyptic number.

It is an amenable number.

22435202142221 is a deficient number, since it is larger than the sum of its proper divisors (2181036468883).

22435202142221 is a wasteful number, since it uses less digits than its factorization.

22435202142221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11789386491.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 22435202142221 its reverse (12224120253422), we get a palindrome (34659322395643).

The spelling of 22435202142221 in words is "twenty-two trillion, four hundred thirty-five billion, two hundred two million, one hundred forty-two thousand, two hundred twenty-one".