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22633420 = 2251131671
BaseRepresentation
bin101011001010…
…1101111001100
31120120220012211
41112111233030
521243232140
62125040204
7363244435
oct126255714
946526184
1022633420
1111859907
1276b6064
1348c5c74
14301248c
151ec12ea
hex1595bcc

22633420 has 12 divisors (see below), whose sum is σ = 47530224. Its totient is φ = 9053360.

The previous prime is 22633363. The next prime is 22633433. The reversal of 22633420 is 2433622.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22633391 and 22633400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565816 + ... + 565855.

It is an arithmetic number, because the mean of its divisors is an integer number (3960852).

Almost surely, 222633420 is an apocalyptic number.

22633420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22633420 is an abundant number, since it is smaller than the sum of its proper divisors (24896804).

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

22633420 is a wasteful number, since it uses less digits than its factorization.

22633420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131680 (or 1131678 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 22633420 is about 4757.4594060275. The cubic root of 22633420 is about 282.8677227715.

The spelling of 22633420 in words is "twenty-two million, six hundred thirty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1131671 2263342 4526684 5658355 11316710 22633420