2212281595956 has 24 divisors (see below), whose sum is σ = 5224183048224. Its totient is φ = 728542533280.

The previous prime is 2212281595897. The next prime is 2212281595957. The reversal of 2212281595956 is 6595951822122.

It is a junction number, because it is equal to n+sod(n) for n = 2212281595896 and 2212281595905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212281595957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1110582135 + ... + 1110584126.

It is an arithmetic number, because the mean of its divisors is an integer number (217674293676).

Almost surely, 2^{2212281595956} is an apocalyptic number.

It is an amenable number.

2212281595956 is an abundant number, since it is smaller than the sum of its proper divisors (3011901452268).

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

2212281595956 is a wasteful number, since it uses less digits than its factorization.

2212281595956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221166351 (or 2221166349 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 57.

The spelling of 2212281595956 in words is "two trillion, two hundred twelve billion, two hundred eighty-one million, five hundred ninety-five thousand, nine hundred fifty-six".