222442423231 has 16 divisors (see below), whose sum is σ = 256861696000. Its totient is φ = 188686101888.

The previous prime is 222442423211. The next prime is 222442423241. The reversal of 222442423231 is 132324244222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 222442423231 - 2⁵ = 222442423199 is a prime.

It is a super-2 number, since 2×222442423231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222442423193 and 222442423202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222442423201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 969970 + ... + 1177168.

It is an arithmetic number, because the mean of its divisors is an integer number (16053856000).

Almost surely, 2^222442423231 is an apocalyptic number.

222442423231 is a deficient number, since it is larger than the sum of its proper divisors (34419272769).

222442423231 is a wasteful number, since it uses less digits than its factorization.

222442423231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208798.

The product of its digits is 36864, while the sum is 31.

Adding to 222442423231 its reverse (132324244222), we get a palindrome (354766667453).

The spelling of 222442423231 in words is "two hundred twenty-two billion, four hundred forty-two million, four hundred twenty-three thousand, two hundred thirty-one".