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22277093 = 109204377
BaseRepresentation
bin101010011111…
…0101111100101
31112220210102112
41110332233211
521200331333
62113250405
7360231536
oct124765745
945823375
1022277093
1111636123
127563a05
1347cca17
142d5c68d
151e50948
hex153ebe5

22277093 has 4 divisors (see below), whose sum is σ = 22481580. Its totient is φ = 22072608.

The previous prime is 22277081. The next prime is 22277137. The reversal of 22277093 is 39077222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39077222 = 219538611.

It can be written as a sum of positive squares in 2 ways, for example, as 9042049 + 13235044 = 3007^2 + 3638^2 .

It is a cyclic number.

It is not a de Polignac number, because 22277093 - 24 = 22277077 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 (22277693) 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, 102080 + ... + 102297.

It is an arithmetic number, because the mean of its divisors is an integer number (5620395).

Almost surely, 222277093 is an apocalyptic number.

It is an amenable number.

22277093 is a deficient number, since it is larger than the sum of its proper divisors (204487).

22277093 is a wasteful number, since it uses less digits than its factorization.

22277093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204486.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 22277093 is about 4719.8615445795. The cubic root of 22277093 is about 281.3754306042.

The spelling of 22277093 in words is "twenty-two million, two hundred seventy-seven thousand, ninety-three".

Divisors: 1 109 204377 22277093