222448889138 has 8 divisors (see below), whose sum is σ = 381340952832. Its totient is φ = 95335238196.

The previous prime is 222448889123. The next prime is 222448889147. The reversal of 222448889138 is 831988844222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7944603170 + ... + 7944603197.

It is an arithmetic number, because the mean of its divisors is an integer number (47667619104).

Almost surely, 2^222448889138 is an apocalyptic number.

222448889138 is a deficient number, since it is larger than the sum of its proper divisors (158892063694).

222448889138 is a wasteful number, since it uses less digits than its factorization.

222448889138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15889206376.

The product of its digits is 14155776, while the sum is 59.

The spelling of 222448889138 in words is "two hundred twenty-two billion, four hundred forty-eight million, eight hundred eighty-nine thousand, one hundred thirty-eight".