22211322143 has 8 divisors (see below), whose sum is σ = 22507444512. Its totient is φ = 21917142016.

The previous prime is 22211322139. The next prime is 22211322173. The reversal of 22211322143 is 34122311222.

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

It is a cyclic number.

It is not a de Polignac number, because 22211322143 - 2² = 22211322139 is a prime.

It is a super-2 number, since 2×22211322143² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211322173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462530 + ... + 508287.

It is an arithmetic number, because the mean of its divisors is an integer number (2813430564).

Almost surely, 2^22211322143 is an apocalyptic number.

22211322143 is a deficient number, since it is larger than the sum of its proper divisors (296122369).

22211322143 is a wasteful number, since it uses less digits than its factorization.

22211322143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971121.

The product of its digits is 1152, while the sum is 23.

Adding to 22211322143 its reverse (34122311222), we get a palindrome (56333633365).

The spelling of 22211322143 in words is "twenty-two billion, two hundred eleven million, three hundred twenty-two thousand, one hundred forty-three".