222042320340 has 24 divisors (see below), whose sum is σ = 621718497120. Its totient is φ = 59211285408.

The previous prime is 222042320327. The next prime is 222042320363. The reversal of 222042320340 is 43023240222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 222042320340.

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, 1850352610 + ... + 1850352729.

It is an arithmetic number, because the mean of its divisors is an integer number (25904937380).

Almost surely, 2^222042320340 is an apocalyptic number.

222042320340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222042320340 is an abundant number, since it is smaller than the sum of its proper divisors (399676176780).

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

222042320340 is a wasteful number, since it uses less digits than its factorization.

222042320340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700705351 (or 3700705349 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 222042320340 its reverse (43023240222), we get a palindrome (265065560562).

The spelling of 222042320340 in words is "two hundred twenty-two billion, forty-two million, three hundred twenty thousand, three hundred forty".