222423155142 has 32 divisors (see below), whose sum is σ = 447719260032. Its totient is φ = 73662519744.

The previous prime is 222423155107. The next prime is 222423155147. The reversal of 222423155142 is 241551324222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222423155147) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3150433 + ... + 3220259.

It is an arithmetic number, because the mean of its divisors is an integer number (13991226876).

Almost surely, 2^222423155142 is an apocalyptic number.

222423155142 is an abundant number, since it is smaller than the sum of its proper divisors (225296104890).

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

222423155142 is a wasteful number, since it uses less digits than its factorization.

222423155142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73252.

The product of its digits is 38400, while the sum is 33.

Adding to 222423155142 its reverse (241551324222), we get a palindrome (463974479364).

The spelling of 222423155142 in words is "two hundred twenty-two billion, four hundred twenty-three million, one hundred fifty-five thousand, one hundred forty-two".