222042121444 has 48 divisors (see below), whose sum is σ = 459838503936. Its totient is φ = 92484460800.

The previous prime is 222042121363. The next prime is 222042121583. The reversal of 222042121444 is 444121240222.

It is a happy 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, 1338372 + ... + 1495099.

It is an arithmetic number, because the mean of its divisors is an integer number (9579968832).

Almost surely, 2^222042121444 is an apocalyptic number.

It is an amenable number.

222042121444 is an abundant number, since it is smaller than the sum of its proper divisors (237796382492).

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

222042121444 is a wasteful number, since it uses less digits than its factorization.

222042121444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833636 (or 2833634 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 222042121444 its reverse (444121240222), we get a palindrome (666163361666).

The spelling of 222042121444 in words is "two hundred twenty-two billion, forty-two million, one hundred twenty-one thousand, four hundred forty-four".