222204606420 has 24 divisors (see below), whose sum is σ = 622172898144. Its totient is φ = 59254561696.

The previous prime is 222204606397. The next prime is 222204606431. The reversal of 222204606420 is 24606402222.

It is a super-2 number, since 2×222204606420² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1851704994 + ... + 1851705113.

It is an arithmetic number, because the mean of its divisors is an integer number (25923870756).

Almost surely, 2^222204606420 is an apocalyptic number.

222204606420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222204606420 is an abundant number, since it is smaller than the sum of its proper divisors (399968291724).

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

222204606420 is a wasteful number, since it uses less digits than its factorization.

222204606420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703410119 (or 3703410117 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 222204606420 in words is "two hundred twenty-two billion, two hundred four million, six hundred six thousand, four hundred twenty".