222203406320 has 40 divisors (see below), whose sum is σ = 590426195424. Its totient is φ = 76184024832.

The previous prime is 222203406307. The next prime is 222203406361. The reversal of 222203406320 is 23604302222.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×222203406320² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222203406320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198395339 + ... + 198396458.

Almost surely, 2^222203406320 is an apocalyptic number.

222203406320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222203406320 is an abundant number, since it is smaller than the sum of its proper divisors (368222789104).

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

222203406320 is a wasteful number, since it uses less digits than its factorization.

222203406320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396791817 (or 396791811 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 222203406320 its reverse (23604302222), we get a palindrome (245807708542).

The spelling of 222203406320 in words is "two hundred twenty-two billion, two hundred three million, four hundred six thousand, three hundred twenty".