222021242344 has 32 divisors (see below), whose sum is σ = 456671455200. Its totient is φ = 100354947520.

The previous prime is 222021242323. The next prime is 222021242383. The reversal of 222021242344 is 443242120222.

It is a happy number.

It is a super-2 number, since 2×222021242344² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7031647 + ... + 7063150.

It is an arithmetic number, because the mean of its divisors is an integer number (14270982975).

Almost surely, 2^222021242344 is an apocalyptic number.

It is an amenable number.

222021242344 is an abundant number, since it is smaller than the sum of its proper divisors (234650212856).

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

222021242344 is a wasteful number, since it uses less digits than its factorization.

222021242344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14094993 (or 14094989 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 222021242344 its reverse (443242120222), we get a palindrome (665263362566).

The spelling of 222021242344 in words is "two hundred twenty-two billion, twenty-one million, two hundred forty-two thousand, three hundred forty-four".