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22042211401 = 7364263007
BaseRepresentation
bin10100100001110100…
…010111010001001001
32002220011022100122001
4110201310113101021
5330120301231101
614043121031001
71410140464000
oct244164272111
962804270561
1022042211401
119391287741
124331a85461
132103811252
1410d160bc37
158901ba901
hex521d17449

22042211401 has 8 divisors (see below), whose sum is σ = 25705203200. Its totient is φ = 18893323764.

The previous prime is 22042211383. The next prime is 22042211413. The reversal of 22042211401 is 10411224022.

It is not a de Polignac number, because 22042211401 - 29 = 22042210889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22042211501) 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, 32131161 + ... + 32131846.

It is an arithmetic number, because the mean of its divisors is an integer number (3213150400).

Almost surely, 222042211401 is an apocalyptic number.

It is an amenable number.

22042211401 is a deficient number, since it is larger than the sum of its proper divisors (3662991799).

22042211401 is an frugal number, since it uses more digits than its factorization.

22042211401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64263028 (or 64263014 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22042211401 its reverse (10411224022), we get a palindrome (32453435423).

The spelling of 22042211401 in words is "twenty-two billion, forty-two million, two hundred eleven thousand, four hundred one".

Divisors: 1 7 49 343 64263007 449841049 3148887343 22042211401