222211656948424 has 128 divisors (see below), whose sum is σ = 507208670640000. Its totient is φ = 89870844672000.

The previous prime is 222211656948361. The next prime is 222211656948493. The reversal of 222211656948424 is 424849656112222.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14366427 + ... + 25511125.

It is an arithmetic number, because the mean of its divisors is an integer number (3962567739375).

Almost surely, 2^{222211656948424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222211656948424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253604335320000).

222211656948424 is an abundant number, since it is smaller than the sum of its proper divisors (284997013691576).

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

222211656948424 is a wasteful number, since it uses less digits than its factorization.

222211656948424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11145359 (or 11145355 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 58.

The spelling of 222211656948424 in words is "two hundred twenty-two trillion, two hundred eleven billion, six hundred fifty-six million, nine hundred forty-eight thousand, four hundred twenty-four".