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22442020401 = 373102474979
BaseRepresentation
bin10100111001101001…
…100000111000110001
32010221000121202110210
4110321221200320301
5331430124123101
614150522214333
71423064011623
oct247151407061
963830552423
1022442020401
119576a320a9
1244239543a9
1321685b6918
14112c762c13
158b53427d6
hex539a60e31

22442020401 has 8 divisors (see below), whose sum is σ = 30332594080. Its totient is φ = 14756396832.

The previous prime is 22442020387. The next prime is 22442020409. The reversal of 22442020401 is 10402024422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22442020401 - 219 = 22441496113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22442020409) 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, 51237271 + ... + 51237708.

It is an arithmetic number, because the mean of its divisors is an integer number (3791574260).

Almost surely, 222442020401 is an apocalyptic number.

It is an amenable number.

22442020401 is a deficient number, since it is larger than the sum of its proper divisors (7890573679).

22442020401 is a wasteful number, since it uses less digits than its factorization.

22442020401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102475055.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 22442020401 its reverse (10402024422), we get a palindrome (32844044823).

The spelling of 22442020401 in words is "twenty-two billion, four hundred forty-two million, twenty thousand, four hundred one".

Divisors: 1 3 73 219 102474979 307424937 7480673467 22442020401