222240323 has 4 divisors (see below), whose sum is σ = 222287688. Its totient is φ = 222192960.

The previous prime is 222240313. The next prime is 222240331. The reversal of 222240323 is 323042222.

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 222240323 - 2⁶ = 222240259 is a prime.

It is a super-2 number, since 2×222240323² = 98781522334288658, 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 = 222240295 and 222240304.

It is not an unprimeable number, because it can be changed into a prime (222240313) 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, 15761 + ... + 26322.

It is an arithmetic number, because the mean of its divisors is an integer number (55571922).

Almost surely, 2^222240323 is an apocalyptic number.

222240323 is a deficient number, since it is larger than the sum of its proper divisors (47365).

222240323 is an equidigital number, since it uses as much as digits as its factorization.

222240323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47364.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 222240323 is about 14907.7269561795. The cubic root of 222240323 is about 605.7233094789.

Adding to 222240323 its reverse (323042222), we get a palindrome (545282545).

The spelling of 222240323 in words is "two hundred twenty-two million, two hundred forty thousand, three hundred twenty-three".