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22412401 = 112037491
BaseRepresentation
bin101010101111…
…1110001110001
31120011200000221
41111133301301
521214144101
62120213041
7361334164
oct125376161
946150027
1022412401
1111718850
12760a181
13484949b
142d95adb
151e7aaa1
hex155fc71

22412401 has 4 divisors (see below), whose sum is σ = 24449904. Its totient is φ = 20374900.

The previous prime is 22412393. The next prime is 22412461. The reversal of 22412401 is 10421422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22412401 - 23 = 22412393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22412461) 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, 1018735 + ... + 1018756.

It is an arithmetic number, because the mean of its divisors is an integer number (6112476).

Almost surely, 222412401 is an apocalyptic number.

It is an amenable number.

22412401 is a deficient number, since it is larger than the sum of its proper divisors (2037503).

22412401 is a wasteful number, since it uses less digits than its factorization.

22412401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037502.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 22412401 is about 4734.1737399466. The cubic root of 22412401 is about 281.9439596570.

Adding to 22412401 its reverse (10421422), we get a palindrome (32833823).

The spelling of 22412401 in words is "twenty-two million, four hundred twelve thousand, four hundred one".

Divisors: 1 11 2037491 22412401