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22263097 = 294091877
BaseRepresentation
bin101010011101…
…1010100111001
31112220002020011
41110323110321
521144404342
62113101521
7360142663
oct124732471
945802204
1022263097
111162665a
1275578a1
1347c653c
142d57533
151e4b717
hex153b539

22263097 has 8 divisors (see below), whose sum is σ = 23099400. Its totient is φ = 21431424.

The previous prime is 22263067. The next prime is 22263113. The reversal of 22263097 is 79036222.

It can be written as a sum of positive squares in 4 ways, for example, as 9511056 + 12752041 = 3084^2 + 3571^2 .

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 22263097 - 27 = 22262969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22263037) 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, 10923 + ... + 12799.

It is an arithmetic number, because the mean of its divisors is an integer number (2887425).

Almost surely, 222263097 is an apocalyptic number.

It is an amenable number.

22263097 is a deficient number, since it is larger than the sum of its proper divisors (836303).

22263097 is a wasteful number, since it uses less digits than its factorization.

22263097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 22263097 is about 4718.3786410164. The cubic root of 22263097 is about 281.3164918017.

The spelling of 22263097 in words is "twenty-two million, two hundred sixty-three thousand, ninety-seven".

Divisors: 1 29 409 1877 11861 54433 767693 22263097