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22438102 = 211219051
BaseRepresentation
bin101010110011…
…0000011010110
31120012222021211
41111212003112
521221004402
62120532034
7361502131
oct125460326
946188254
1022438102
1111736095
12762101a
1348580ab
142da1218
151e834d7
hex15660d6

22438102 has 4 divisors (see below), whose sum is σ = 33657156. Its totient is φ = 11219050.

The previous prime is 22438093. The next prime is 22438109. The reversal of 22438102 is 20183422.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22438109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5609524 + ... + 5609527.

It is an arithmetic number, because the mean of its divisors is an integer number (8414289).

Almost surely, 222438102 is an apocalyptic number.

22438102 is a deficient number, since it is larger than the sum of its proper divisors (11219054).

22438102 is a wasteful number, since it uses less digits than its factorization.

22438102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11219053.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 22438102 is about 4736.8873746375. The cubic root of 22438102 is about 282.0516898022.

The spelling of 22438102 in words is "twenty-two million, four hundred thirty-eight thousand, one hundred two".

Divisors: 1 2 11219051 22438102