222444340340 has 24 divisors (see below), whose sum is σ = 491719068960. Its totient is φ = 84294697248.

The previous prime is 222444340309. The next prime is 222444340351. The reversal of 222444340340 is 43043444222.

It is a junction number, because it is equal to n+sod(n) for n = 222444340297 and 222444340306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292689542 + ... + 292690301.

It is an arithmetic number, because the mean of its divisors is an integer number (20488294540).

Almost surely, 2^222444340340 is an apocalyptic number.

222444340340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222444340340 is an abundant number, since it is smaller than the sum of its proper divisors (269274728620).

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

222444340340 is a wasteful number, since it uses less digits than its factorization.

222444340340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585379871 (or 585379869 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 222444340340 its reverse (43043444222), we get a palindrome (265487784562).

The spelling of 222444340340 in words is "two hundred twenty-two billion, four hundred forty-four million, three hundred forty thousand, three hundred forty".