2226911337778 has 4 divisors (see below), whose sum is σ = 3340367006670. Its totient is φ = 1113455668888.

The previous prime is 2226911337737. The next prime is 2226911337787. The reversal of 2226911337778 is 8777331196222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2205928946169 + 20982391609 = 1485237^2 + 144853^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556727834443 + ... + 556727834446.

Almost surely, 2^{2226911337778} is an apocalyptic number.

2226911337778 is a deficient number, since it is larger than the sum of its proper divisors (1113455668892).

2226911337778 is a wasteful number, since it uses less digits than its factorization.

2226911337778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113455668891.

The product of its digits is 10668672, while the sum is 58.

The spelling of 2226911337778 in words is "two trillion, two hundred twenty-six billion, nine hundred eleven million, three hundred thirty-seven thousand, seven hundred seventy-eight".