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22242213215 = 54448442643
BaseRepresentation
bin10100101101101111…
…010011110101011111
32010102002122111112122
4110231233103311133
5331023001310330
614115023453155
71415116456445
oct245557236537
963362574478
1022242213215
119484170aa2
124388a571bb
132136099311
14110ddd0b95
158a2a255e5
hex52dbd3d5f

22242213215 has 4 divisors (see below), whose sum is σ = 26690655864. Its totient is φ = 17793770568.

The previous prime is 22242213187. The next prime is 22242213229. The reversal of 22242213215 is 51231224222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22242213215 - 214 = 22242196831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2224221317 + ... + 2224221326.

It is an arithmetic number, because the mean of its divisors is an integer number (6672663966).

Almost surely, 222242213215 is an apocalyptic number.

22242213215 is a deficient number, since it is larger than the sum of its proper divisors (4448442649).

22242213215 is an equidigital number, since it uses as much as digits as its factorization.

22242213215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448442648.

The product of its digits is 3840, while the sum is 26.

Adding to 22242213215 its reverse (51231224222), we get a palindrome (73473437437).

The spelling of 22242213215 in words is "twenty-two billion, two hundred forty-two million, two hundred thirteen thousand, two hundred fifteen".

Divisors: 1 5 4448442643 22242213215