1022202211956 has 24 divisors (see below), whose sum is σ = 2387289236640. Its totient is φ = 340426821792.

The previous prime is 1022202211949. The next prime is 1022202211957. The reversal of 1022202211956 is 6591122022201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022202211957) 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, 38392246 + ... + 38418861.

It is an arithmetic number, because the mean of its divisors is an integer number (99470384860).

Almost surely, 2^{1022202211956} is an apocalyptic number.

It is an amenable number.

1022202211956 is an abundant number, since it is smaller than the sum of its proper divisors (1365087024684).

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

1022202211956 is a wasteful number, since it uses less digits than its factorization.

1022202211956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76812223 (or 76812221 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 1022202211956 in words is "one trillion, twenty-two billion, two hundred two million, two hundred eleven thousand, nine hundred fifty-six".