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22274893 = 53487863
BaseRepresentation
bin101010011111…
…0001101001101
31112220200102001
41110332031031
521200244033
62113232301
7360222244
oct124761515
945820361
1022274893
1111634503
127562691
1347cba14
142d5b95b
151e4ee7d
hex153e34d

22274893 has 8 divisors (see below), whose sum is σ = 22768128. Its totient is φ = 21784464.

The previous prime is 22274891. The next prime is 22274909. The reversal of 22274893 is 39847222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22274893 - 21 = 22274891 is a prime.

It is a super-2 number, since 2×222748932 = 992341716322898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22274891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25380 + ... + 26242.

It is an arithmetic number, because the mean of its divisors is an integer number (2846016).

Almost surely, 222274893 is an apocalyptic number.

It is an amenable number.

22274893 is a deficient number, since it is larger than the sum of its proper divisors (493235).

22274893 is an equidigital number, since it uses as much as digits as its factorization.

22274893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403.

The product of its digits is 48384, while the sum is 37.

The square root of 22274893 is about 4719.6284811413. The cubic root of 22274893 is about 281.3661677809.

The spelling of 22274893 in words is "twenty-two million, two hundred seventy-four thousand, eight hundred ninety-three".

Divisors: 1 53 487 863 25811 45739 420281 22274893