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22419424 = 255313219
BaseRepresentation
bin101010110000…
…1011111100000
31120012000200001
41111201133200
521214410144
62120305344
7361363516
oct125413740
946160601
1022419424
1111723055
127612254
13484c741
142d984b6
151e7cbd4
hex15617e0

22419424 has 24 divisors (see below), whose sum is σ = 44974440. Its totient is φ = 10997376.

The previous prime is 22419421. The next prime is 22419427. The reversal of 22419424 is 42491422.

It is an interprime number because it is at equal distance from previous prime (22419421) and next prime (22419427).

It is a junction number, because it is equal to n+sod(n) for n = 22419392 and 22419401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22419421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4914 + ... + 8305.

It is an arithmetic number, because the mean of its divisors is an integer number (1873935).

Almost surely, 222419424 is an apocalyptic number.

It is an amenable number.

22419424 is an abundant number, since it is smaller than the sum of its proper divisors (22555016).

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

22419424 is a wasteful number, since it uses less digits than its factorization.

22419424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13282 (or 13274 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 22419424 is about 4734.9154163512. The cubic root of 22419424 is about 281.9734059390.

The spelling of 22419424 in words is "twenty-two million, four hundred nineteen thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 32 53 106 212 424 848 1696 13219 26438 52876 105752 211504 423008 700607 1401214 2802428 5604856 11209712 22419424