222231143443 has 4 divisors (see below), whose sum is σ = 222232874760. Its totient is φ = 222229412128.

The previous prime is 222231143437. The next prime is 222231143539. The reversal of 222231143443 is 344341132222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344341132222 = 2 ⋅172170566111.

It is a cyclic number.

It is not a de Polignac number, because 222231143443 - 2³⁷ = 84792189971 is a prime.

It is a super-2 number, since 2×222231143443² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222231143543) 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, 656230 + ... + 935467.

It is an arithmetic number, because the mean of its divisors is an integer number (55558218690).

Almost surely, 2^222231143443 is an apocalyptic number.

222231143443 is a deficient number, since it is larger than the sum of its proper divisors (1731317).

222231143443 is a wasteful number, since it uses less digits than its factorization.

222231143443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731316.

The product of its digits is 27648, while the sum is 31.

Adding to 222231143443 its reverse (344341132222), we get a palindrome (566572275665).

The spelling of 222231143443 in words is "two hundred twenty-two billion, two hundred thirty-one million, one hundred forty-three thousand, four hundred forty-three".