222300031 has 4 divisors (see below), whose sum is σ = 222831000. Its totient is φ = 221769064.

The previous prime is 222300011. The next prime is 222300047. The reversal of 222300031 is 130003222.

It is a happy number.

222300031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 222300031 - 2⁵ = 222299999 is a prime.

It is a super-2 number, since 2×222300031² = 98834607565201922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222299984 and 222300020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222300011) 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, 264856 + ... + 265693.

It is an arithmetic number, because the mean of its divisors is an integer number (55707750).

Almost surely, 2^222300031 is an apocalyptic number.

222300031 is a deficient number, since it is larger than the sum of its proper divisors (530969).

222300031 is an equidigital number, since it uses as much as digits as its factorization.

222300031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530968.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 222300031 is about 14909.7294073367. The cubic root of 222300031 is about 605.7775499943. Note that the first 3 decimals are identical.

Adding to 222300031 its reverse (130003222), we get a palindrome (352303253).

The spelling of 222300031 in words is "two hundred twenty-two million, three hundred thousand, thirty-one".