1022056220656 has 10 divisors (see below), whose sum is σ = 1980233927552. Its totient is φ = 511028110320.

The previous prime is 1022056220617. The next prime is 1022056220657. The reversal of 1022056220656 is 6560226502201.

It is a super-2 number, since 2×1022056220656² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022056220657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31939256880 + ... + 31939256911.

Almost surely, 2^{1022056220656} is an apocalyptic number.

1022056220656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1022056220656 is a deficient number, since it is larger than the sum of its proper divisors (958177706896).

1022056220656 is an equidigital number, since it uses as much as digits as its factorization.

1022056220656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63878513799 (or 63878513793 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 1022056220656 in words is "one trillion, twenty-two billion, fifty-six million, two hundred twenty thousand, six hundred fifty-six".