2246688891356 has 192 divisors, whose sum is σ = 5058094578432. Its totient is φ = 849548279808.

The previous prime is 2246688891341. The next prime is 2246688891449. The reversal of 2246688891356 is 6531988866422.

It is a happy number.

It is a super-2 number, since 2×2246688891356² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 178969976 + ... + 178982528.

It is an arithmetic number, because the mean of its divisors is an integer number (26344242596).

Almost surely, 2^{2246688891356} is an apocalyptic number.

2246688891356 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2246688891356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2529047289216).

2246688891356 is an abundant number, since it is smaller than the sum of its proper divisors (2811405687076).

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

2246688891356 is a wasteful number, since it uses less digits than its factorization.

2246688891356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12848 (or 12846 counting only the distinct ones).

The product of its digits is 238878720, while the sum is 68.

The spelling of 2246688891356 in words is "two trillion, two hundred forty-six billion, six hundred eighty-eight million, eight hundred ninety-one thousand, three hundred fifty-six".