222012020144 has 40 divisors (see below), whose sum is σ = 454532098560. Its totient is φ = 104835601728.

The previous prime is 222012020123. The next prime is 222012020203. The reversal of 222012020144 is 441020210222.

222012020144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3789242 + ... + 3847385.

It is an arithmetic number, because the mean of its divisors is an integer number (11363302464).

Almost surely, 2^222012020144 is an apocalyptic number.

It is an amenable number.

222012020144 is an abundant number, since it is smaller than the sum of its proper divisors (232520078416).

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

222012020144 is a wasteful number, since it uses less digits than its factorization.

222012020144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7636737 (or 7636731 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222012020144 its reverse (441020210222), we get a palindrome (663032230366).

The spelling of 222012020144 in words is "two hundred twenty-two billion, twelve million, twenty thousand, one hundred forty-four".