222444100142 has 64 divisors (see below), whose sum is σ = 389229580800. Its totient is φ = 94276846080.

The previous prime is 222444100141. The next prime is 222444100201. The reversal of 222444100142 is 241001444222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222444100141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14852834 + ... + 14867802.

It is an arithmetic number, because the mean of its divisors is an integer number (6081712200).

Almost surely, 2^222444100142 is an apocalyptic number.

222444100142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222444100142 is a deficient number, since it is larger than the sum of its proper divisors (166785480658).

222444100142 is a wasteful number, since it uses less digits than its factorization.

222444100142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15561.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 222444100142 its reverse (241001444222), we get a palindrome (463445544364).

The spelling of 222444100142 in words is "two hundred twenty-two billion, four hundred forty-four million, one hundred thousand, one hundred forty-two".