2246913557778 has 32 divisors (see below), whose sum is σ = 4499471289600. Its totient is φ = 748031044176.

The previous prime is 2246913557773. The next prime is 2246913557827. The reversal of 2246913557778 is 8777553196422.

It is a super-2 number, since 2×2246913557778² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2246913557771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16573953 + ... + 16708971.

It is an arithmetic number, because the mean of its divisors is an integer number (140608477800).

Almost surely, 2^{2246913557778} is an apocalyptic number.

2246913557778 is an abundant number, since it is smaller than the sum of its proper divisors (2252557731822).

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

2246913557778 is a wasteful number, since it uses less digits than its factorization.

2246913557778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138486.

The product of its digits is 177811200, while the sum is 66.

The spelling of 2246913557778 in words is "two trillion, two hundred forty-six billion, nine hundred thirteen million, five hundred fifty-seven thousand, seven hundred seventy-eight".