222444032142 has 32 divisors (see below), whose sum is σ = 450679098240. Its totient is φ = 73189006560.

The previous prime is 222444032131. The next prime is 222444032191. The reversal of 222444032142 is 241230444222.

It is a happy number.

It is a super-2 number, since 2×222444032142² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 626584 + ... + 915147.

It is an arithmetic number, because the mean of its divisors is an integer number (14083721820).

Almost surely, 2^222444032142 is an apocalyptic number.

222444032142 is an abundant number, since it is smaller than the sum of its proper divisors (228235066098).

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

222444032142 is a wasteful number, since it uses less digits than its factorization.

222444032142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542048.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 222444032142 its reverse (241230444222), we get a palindrome (463674476364).

The spelling of 222444032142 in words is "two hundred twenty-two billion, four hundred forty-four million, thirty-two thousand, one hundred forty-two".