2226965381938 has 24 divisors (see below), whose sum is σ = 3798343645740. Its totient is φ = 977351575200.

The previous prime is 2226965381777. The next prime is 2226965381941. The reversal of 2226965381938 is 8391835696222.

It can be written as a sum of positive squares in 2 ways, for example, as 2208068205849 + 18897176089 = 1485957^2 + 137467^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2226965381938.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158653953 + ... + 158667988.

Almost surely, 2^{2226965381938} is an apocalyptic number.

2226965381938 is a deficient number, since it is larger than the sum of its proper divisors (1571378263802).

2226965381938 is a wasteful number, since it uses less digits than its factorization.

2226965381938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317321994 (or 317321983 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 64.

The spelling of 2226965381938 in words is "two trillion, two hundred twenty-six billion, nine hundred sixty-five million, three hundred eighty-one thousand, nine hundred thirty-eight".