222231211043 has 4 divisors (see below), whose sum is σ = 235303635240. Its totient is φ = 209158786848.

The previous prime is 222231210991. The next prime is 222231211063. The reversal of 222231211043 is 340112132222.

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

It is a cyclic number.

It is not a de Polignac number, because 222231211043 - 2⁶ = 222231210979 is a prime.

It is a super-2 number, since 2×222231211043² (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 (222231211063) 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, 6536212073 + ... + 6536212106.

It is an arithmetic number, because the mean of its divisors is an integer number (58825908810).

Almost surely, 2^222231211043 is an apocalyptic number.

222231211043 is a deficient number, since it is larger than the sum of its proper divisors (13072424197).

222231211043 is a wasteful number, since it uses less digits than its factorization.

222231211043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13072424196.

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

Adding to 222231211043 its reverse (340112132222), we get a palindrome (562343343265).

The spelling of 222231211043 in words is "two hundred twenty-two billion, two hundred thirty-one million, two hundred eleven thousand, forty-three".