22322217897 has 48 divisors (see below), whose sum is σ = 40462111872. Its totient is φ = 12005210880.

The previous prime is 22322217871. The next prime is 22322217901. The reversal of 22322217897 is 79871222322.

22322217897 is a `hidden beast` number, since 22 + 322 + 217 + 8 + 97 = 666.

It is not a de Polignac number, because 22322217897 - 2⁷ = 22322217769 is a prime.

It is a super-3 number, since 3×22322217897³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (22322217997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 357054 + ... + 414887.

It is an arithmetic number, because the mean of its divisors is an integer number (842960664).

Almost surely, 2^22322217897 is an apocalyptic number.

22322217897 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22322217897 is a deficient number, since it is larger than the sum of its proper divisors (18139893975).

22322217897 is an equidigital number, since it uses as much as digits as its factorization.

22322217897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771980 (or 771968 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The spelling of 22322217897 in words is "twenty-two billion, three hundred twenty-two million, two hundred seventeen thousand, eight hundred ninety-seven".