222440331 has 8 divisors (see below), whose sum is σ = 302897664. Its totient is φ = 145138280.

The previous prime is 222440329. The next prime is 222440357. The reversal of 222440331 is 133044222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222440331 - 2¹ = 222440329 is a prime.

It is a super-2 number, since 2×222440331² = 98959401710779122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222440298 and 222440307.

It is not an unprimeable number, because it can be changed into a prime (222440321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788655 + ... + 788936.

It is an arithmetic number, because the mean of its divisors is an integer number (37862208).

Almost surely, 2^222440331 is an apocalyptic number.

222440331 is a deficient number, since it is larger than the sum of its proper divisors (80457333).

222440331 is a wasteful number, since it uses less digits than its factorization.

222440331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577641.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 222440331 is about 14914.4336466391. The cubic root of 222440331 is about 605.9049644562.

Adding to 222440331 its reverse (133044222), we get a palindrome (355484553).

The spelling of 222440331 in words is "two hundred twenty-two million, four hundred forty thousand, three hundred thirty-one".