222321340 has 12 divisors (see below), whose sum is σ = 466874856. Its totient is φ = 88928528.

The previous prime is 222321331. The next prime is 222321349. The reversal of 222321340 is 43123222.

It is an interprime number because it is at equal distance from previous prime (222321331) and next prime (222321349).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222321349) 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 3 ways as a sum of consecutive naturals, for example, 5558014 + ... + 5558053.

It is an arithmetic number, because the mean of its divisors is an integer number (38906238).

Almost surely, 2^222321340 is an apocalyptic number.

222321340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222321340 is an abundant number, since it is smaller than the sum of its proper divisors (244553516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222321340 is a wasteful number, since it uses less digits than its factorization.

222321340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11116076 (or 11116074 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 222321340 is about 14910.4439907066. The cubic root of 222321340 is about 605.7969053693.

Adding to 222321340 its reverse (43123222), we get a palindrome (265444562).

The spelling of 222321340 in words is "two hundred twenty-two million, three hundred twenty-one thousand, three hundred forty".