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22141407 = 37380469
BaseRepresentation
bin101010001110…
…1100111011111
31112122220022010
41110131213133
521132011112
62110322303
7356125131
oct124354737
945586263
1022141407
1111553192
1274b9393
134783032
142d25051
151e2563c
hex151d9df

22141407 has 4 divisors (see below), whose sum is σ = 29521880. Its totient is φ = 14760936.

The previous prime is 22141397. The next prime is 22141451. The reversal of 22141407 is 70414122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22141407 - 24 = 22141391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22141487) 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, 3690232 + ... + 3690237.

It is an arithmetic number, because the mean of its divisors is an integer number (7380470).

Almost surely, 222141407 is an apocalyptic number.

22141407 is a deficient number, since it is larger than the sum of its proper divisors (7380473).

22141407 is an equidigital number, since it uses as much as digits as its factorization.

22141407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7380472.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 22141407 is about 4705.4656517714. The cubic root of 22141407 is about 280.8029967984.

Adding to 22141407 its reverse (70414122), we get a palindrome (92555529).

The spelling of 22141407 in words is "twenty-two million, one hundred forty-one thousand, four hundred seven".

Divisors: 1 3 7380469 22141407