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22501041 = 37500347
BaseRepresentation
bin101010111010…
…1011010110001
31120100011121220
41111311122301
521230013131
62122135253
7362153463
oct125653261
946304556
1022501041
1111779402
127651529
13487a934
142dba133
151e96e96
hex15756b1

22501041 has 4 divisors (see below), whose sum is σ = 30001392. Its totient is φ = 15000692.

The previous prime is 22501027. The next prime is 22501067. The reversal of 22501041 is 14010522.

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 22501041 - 27 = 22500913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22501041.

It is not an unprimeable number, because it can be changed into a prime (22501021) 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, 3750171 + ... + 3750176.

It is an arithmetic number, because the mean of its divisors is an integer number (7500348).

Almost surely, 222501041 is an apocalyptic number.

It is an amenable number.

22501041 is a deficient number, since it is larger than the sum of its proper divisors (7500351).

22501041 is an equidigital number, since it uses as much as digits as its factorization.

22501041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7500350.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 22501041 is about 4743.5262200182. The cubic root of 22501041 is about 282.3151624572.

Adding to 22501041 its reverse (14010522), we get a palindrome (36511563).

The spelling of 22501041 in words is "twenty-two million, five hundred one thousand, forty-one".

Divisors: 1 3 7500347 22501041