222134043420 has 72 divisors (see below), whose sum is σ = 673849992816. Its totient is φ = 59231930112.

The previous prime is 222134043389. The next prime is 222134043437. The reversal of 222134043420 is 24340431222.

222134043420 is a `hidden beast` number, since 2 + 2 + 213 + 404 + 3 + 42 + 0 = 666.

It is a super-2 number, since 2×222134043420² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3780184 + ... + 3838496.

It is an arithmetic number, because the mean of its divisors is an integer number (9359027678).

Almost surely, 2^222134043420 is an apocalyptic number.

222134043420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222134043420 is an abundant number, since it is smaller than the sum of its proper divisors (451715949396).

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

222134043420 is a wasteful number, since it uses less digits than its factorization.

222134043420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79491 (or 79486 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 222134043420 its reverse (24340431222), we get a palindrome (246474474642).

The spelling of 222134043420 in words is "two hundred twenty-two billion, one hundred thirty-four million, forty-three thousand, four hundred twenty".