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22252093 = 139160087
BaseRepresentation
bin101010011100…
…0101000111101
31112212112010121
41110320220331
521144031333
62112534541
7360065623
oct124705075
945775117
1022252093
1111619366
127551451
1347c1526
142d53513
151e4832d
hex1538a3d

22252093 has 4 divisors (see below), whose sum is σ = 22412320. Its totient is φ = 22091868.

The previous prime is 22252067. The next prime is 22252117. The reversal of 22252093 is 39025222.

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 22252093 - 221 = 20154941 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 (22252033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79905 + ... + 80182.

It is an arithmetic number, because the mean of its divisors is an integer number (5603080).

Almost surely, 222252093 is an apocalyptic number.

It is an amenable number.

22252093 is a deficient number, since it is larger than the sum of its proper divisors (160227).

22252093 is a wasteful number, since it uses less digits than its factorization.

22252093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160226.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 22252093 is about 4717.2124183674. The cubic root of 22252093 is about 281.2701353156.

The spelling of 22252093 in words is "twenty-two million, two hundred fifty-two thousand, ninety-three".

Divisors: 1 139 160087 22252093