1022216507851 has 16 divisors (see below), whose sum is σ = 1274706056448. Its totient is φ = 796373402400.

The previous prime is 1022216507831. The next prime is 1022216507863. The reversal of 1022216507851 is 1587056122201.

It is a cyclic number.

It is not a de Polignac number, because 1022216507851 - 2¹³ = 1022216499659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022216507831) 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, 935385 + ... + 1708618.

It is an arithmetic number, because the mean of its divisors is an integer number (79669128528).

Almost surely, 2^{1022216507851} is an apocalyptic number.

1022216507851 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1022216507851 is a deficient number, since it is larger than the sum of its proper divisors (252489548597).

1022216507851 is a wasteful number, since it uses less digits than its factorization.

1022216507851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649042.

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 1022216507851 in words is "one trillion, twenty-two billion, two hundred sixteen million, five hundred seven thousand, eight hundred fifty-one".