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22013299 = 721140841
BaseRepresentation
bin101001111111…
…0010101110011
31112102101120101
41103332111303
521113411144
62103453231
7355052500
oct123762563
945371511
1022013299
1111475a10
127457217
134739929
142cd04a7
151dec6d4
hex14fe573

22013299 has 12 divisors (see below), whose sum is σ = 27935928. Its totient is φ = 17152800.

The previous prime is 22013281. The next prime is 22013339. The reversal of 22013299 is 99231022.

It is not a de Polignac number, because 22013299 - 213 = 22005107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22013209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19882 + ... + 20959.

It is an arithmetic number, because the mean of its divisors is an integer number (2327994).

Almost surely, 222013299 is an apocalyptic number.

22013299 is a deficient number, since it is larger than the sum of its proper divisors (5922629).

22013299 is a wasteful number, since it uses less digits than its factorization.

22013299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40866 (or 40859 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 22013299 is about 4691.8332238050. The cubic root of 22013299 is about 280.2603827850.

The spelling of 22013299 in words is "twenty-two million, thirteen thousand, two hundred ninety-nine".

Divisors: 1 7 11 49 77 539 40841 285887 449251 2001209 3144757 22013299