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22428220206 = 237772769109
BaseRepresentation
bin10100111000110100…
…110111101100101110
32010220001122122011110
4110320310313230232
5331413111021311
614145310332450
71422535504050
oct247064675456
963801578143
1022428220206
11956a166887
12441b1ba126
132165794422
14112a9ad8d0
158b40188a6
hex538d37b2e

22428220206 has 32 divisors (see below), whose sum is σ = 51271879680. Its totient is φ = 6407140896.

The previous prime is 22428220183. The next prime is 22428220211. The reversal of 22428220206 is 60202282422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289980 + ... + 359088.

It is an arithmetic number, because the mean of its divisors is an integer number (1602246240).

Almost surely, 222428220206 is an apocalyptic number.

22428220206 is an abundant number, since it is smaller than the sum of its proper divisors (28843659474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22428220206 is a wasteful number, since it uses less digits than its factorization.

22428220206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76848.

The product of its (nonzero) digits is 12288, while the sum is 30.

The spelling of 22428220206 in words is "twenty-two billion, four hundred twenty-eight million, two hundred twenty thousand, two hundred six".

Divisors: 1 2 3 6 7 14 21 42 7727 15454 23181 46362 54089 69109 108178 138218 162267 207327 324534 414654 483763 967526 1451289 2902578 534005243 1068010486 1602015729 3204031458 3738036701 7476073402 11214110103 22428220206