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22057435 = 54411487
BaseRepresentation
bin101010000100…
…1000111011011
31112111122010001
41110021013123
521121314220
62104433431
7355325251
oct124110733
945448101
1022057435
11114a6094
127478877
134753a4a
142d025d1
151e0a80a
hex15091db

22057435 has 4 divisors (see below), whose sum is σ = 26468928. Its totient is φ = 17645944.

The previous prime is 22057433. The next prime is 22057457. The reversal of 22057435 is 53475022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53475022 = 226737511.

It is a cyclic number.

It is not a de Polignac number, because 22057435 - 21 = 22057433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22057433) 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, 2205739 + ... + 2205748.

It is an arithmetic number, because the mean of its divisors is an integer number (6617232).

Almost surely, 222057435 is an apocalyptic number.

22057435 is a deficient number, since it is larger than the sum of its proper divisors (4411493).

22057435 is an equidigital number, since it uses as much as digits as its factorization.

22057435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4411492.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 22057435 is about 4696.5343605684. The cubic root of 22057435 is about 280.4475622801.

The spelling of 22057435 in words is "twenty-two million, fifty-seven thousand, four hundred thirty-five".

Divisors: 1 5 4411487 22057435